cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.5281/zenodo.10596200
title: Linked collectors and determiners for: New species of Philopterus Nitzsch, 1818 (Ischnocera: Philopteridae), with notes on Cypseloecus Conci, 1941.

description: Natural history specimen data linked to collectors and determiners held within, "New species of Philopterus Nitzsch, 1818 (Ischnocera: Philopteridae), with notes on Cypseloecus Conci, 1941". Claims or attributions were made on Bionomia by volunteer Scribes, https://bionomia.net/dataset/75fb76d3-bfe5-4786-b2e9-a18a86ab2d4f using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, https://gbif.org/dataset/75fb76d3-bfe5-4786-b2e9-a18a86ab2d4f. Formatted as a Frictionless Data package.
DOI: 10.5281/zenodo.10507476
title: Linked collectors and determiners for: Systematics, revisionary taxonomy, and biodiversity of Afrotropical Lithocolletinae (Lepidoptera: Gracillariidae).

description: Natural history specimen data linked to collectors and determiners held within, "Systematics, revisionary taxonomy, and biodiversity of Afrotropical Lithocolletinae (Lepidoptera: Gracillariidae)". Claims or attributions were made on Bionomia by volunteer Scribes, https://bionomia.net/dataset/79af20a5-77f9-4240-ac45-e27fab775ca1 using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, https://gbif.org/dataset/79af20a5-77f9-4240-ac45-e27fab775ca1. Formatted as a Frictionless Data package.
DOI: 10.5281/zenodo.10507477
title: Linked collectors and determiners for: Systematics, revisionary taxonomy, and biodiversity of Afrotropical Lithocolletinae (Lepidoptera: Gracillariidae).

description: Natural history specimen data linked to collectors and determiners held within, "Systematics, revisionary taxonomy, and biodiversity of Afrotropical Lithocolletinae (Lepidoptera: Gracillariidae)". Claims or attributions were made on Bionomia by volunteer Scribes, https://bionomia.net/dataset/79af20a5-77f9-4240-ac45-e27fab775ca1 using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, https://gbif.org/dataset/79af20a5-77f9-4240-ac45-e27fab775ca1. Formatted as a Frictionless Data package.
DOI: 10.5281/zenodo.10596201
title: Linked collectors and determiners for: Systematics, revisionary taxonomy, and biodiversity of Afrotropical Lithocolletinae (Lepidoptera: Gracillariidae).

description: Natural history specimen data linked to collectors and determiners held within, "Systematics, revisionary taxonomy, and biodiversity of Afrotropical Lithocolletinae (Lepidoptera: Gracillariidae)". Claims or attributions were made on Bionomia by volunteer Scribes, https://bionomia.net/dataset/79af20a5-77f9-4240-ac45-e27fab775ca1 using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, https://gbif.org/dataset/79af20a5-77f9-4240-ac45-e27fab775ca1. Formatted as a Frictionless Data package.
DOI: 10.5281/zenodo.10596204
title: Linked collectors and determiners for: Taxonomic monograph of Eugenia sect. Schizocalomyrtus (Myrtaceae: Myrteae), a group within Eugenia with unusual flowers.

description: Natural history specimen data linked to collectors and determiners held within, "Taxonomic monograph of Eugenia sect. Schizocalomyrtus (Myrtaceae: Myrteae), a group within Eugenia with unusual flowers". Claims or attributions were made on Bionomia by volunteer Scribes, https://bionomia.net/dataset/83099003-0351-48b6-a5a3-c95778c7edfa using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, https://gbif.org/dataset/83099003-0351-48b6-a5a3-c95778c7edfa. Formatted as a Frictionless Data package.
DOI: 10.5281/zenodo.10507482
title: Linked collectors and determiners for: Taxonomic monograph of Eugenia sect. Schizocalomyrtus (Myrtaceae: Myrteae), a group within Eugenia with unusual flowers.

description: Natural history specimen data linked to collectors and determiners held within, "Taxonomic monograph of Eugenia sect. Schizocalomyrtus (Myrtaceae: Myrteae), a group within Eugenia with unusual flowers". Claims or attributions were made on Bionomia by volunteer Scribes, https://bionomia.net/dataset/83099003-0351-48b6-a5a3-c95778c7edfa using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, https://gbif.org/dataset/83099003-0351-48b6-a5a3-c95778c7edfa. Formatted as a Frictionless Data package.
DOI: 10.5281/zenodo.10507483
title: Linked collectors and determiners for: Taxonomic monograph of Eugenia sect. Schizocalomyrtus (Myrtaceae: Myrteae), a group within Eugenia with unusual flowers.

description: Natural history specimen data linked to collectors and determiners held within, "Taxonomic monograph of Eugenia sect. Schizocalomyrtus (Myrtaceae: Myrteae), a group within Eugenia with unusual flowers". Claims or attributions were made on Bionomia by volunteer Scribes, https://bionomia.net/dataset/83099003-0351-48b6-a5a3-c95778c7edfa using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, https://gbif.org/dataset/83099003-0351-48b6-a5a3-c95778c7edfa. Formatted as a Frictionless Data package.
DOI: 10.5281/zenodo.10507490
title: Linked collectors and determiners for: The genus Pandanus Parkinson (Pandanaceae) on Halmahera Island (Moluccas, Indonesia) with descriptions of three new species and a key to the species on the island.

description: Natural history specimen data linked to collectors and determiners held within, "The genus Pandanus Parkinson (Pandanaceae) on Halmahera Island (Moluccas, Indonesia) with descriptions of three new species and a key to the species on the island". Claims or attributions were made on Bionomia by volunteer Scribes, https://bionomia.net/dataset/8d0a7a87-5b47-479e-8fac-118877a7bbae using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, https://gbif.org/dataset/8d0a7a87-5b47-479e-8fac-118877a7bbae. Formatted as a Frictionless Data package.
DOI: 10.5281/zenodo.10507491
title: Linked collectors and determiners for: The genus Pandanus Parkinson (Pandanaceae) on Halmahera Island (Moluccas, Indonesia) with descriptions of three new species and a key to the species on the island.

description: Natural history specimen data linked to collectors and determiners held within, "The genus Pandanus Parkinson (Pandanaceae) on Halmahera Island (Moluccas, Indonesia) with descriptions of three new species and a key to the species on the island". Claims or attributions were made on Bionomia by volunteer Scribes, https://bionomia.net/dataset/8d0a7a87-5b47-479e-8fac-118877a7bbae using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, https://gbif.org/dataset/8d0a7a87-5b47-479e-8fac-118877a7bbae. Formatted as a Frictionless Data package.
DOI: 10.5281/zenodo.10596210
title: Linked collectors and determiners for: The genus Pandanus Parkinson (Pandanaceae) on Halmahera Island (Moluccas, Indonesia) with descriptions of three new species and a key to the species on the island.

description: Natural history specimen data linked to collectors and determiners held within, "The genus Pandanus Parkinson (Pandanaceae) on Halmahera Island (Moluccas, Indonesia) with descriptions of three new species and a key to the species on the island". Claims or attributions were made on Bionomia by volunteer Scribes, https://bionomia.net/dataset/8d0a7a87-5b47-479e-8fac-118877a7bbae using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, https://gbif.org/dataset/8d0a7a87-5b47-479e-8fac-118877a7bbae. Formatted as a Frictionless Data package.
DOI: 10.5281/zenodo.10507495
title: Linked collectors and determiners for: The lace-sheet-weavers — a long story (Araneae: Psechridae: Psechrus).

description: Natural history specimen data linked to collectors and determiners held within, "The lace-sheet-weavers — a long story (Araneae: Psechridae: Psechrus)". Claims or attributions were made on Bionomia by volunteer Scribes, https://bionomia.net/dataset/8ea1bd82-21db-4726-8d2a-be5866734ea0 using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, https://gbif.org/dataset/8ea1bd82-21db-4726-8d2a-be5866734ea0. Formatted as a Frictionless Data package.
DOI: 10.5281/zenodo.10507496
title: Linked collectors and determiners for: The lace-sheet-weavers — a long story (Araneae: Psechridae: Psechrus).

description: Natural history specimen data linked to collectors and determiners held within, "The lace-sheet-weavers — a long story (Araneae: Psechridae: Psechrus)". Claims or attributions were made on Bionomia by volunteer Scribes, https://bionomia.net/dataset/8ea1bd82-21db-4726-8d2a-be5866734ea0 using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, https://gbif.org/dataset/8ea1bd82-21db-4726-8d2a-be5866734ea0. Formatted as a Frictionless Data package.
DOI: 10.5281/zenodo.10596214
title: Linked collectors and determiners for: The lace-sheet-weavers — a long story (Araneae: Psechridae: Psechrus).

description: Natural history specimen data linked to collectors and determiners held within, "The lace-sheet-weavers — a long story (Araneae: Psechridae: Psechrus)". Claims or attributions were made on Bionomia by volunteer Scribes, https://bionomia.net/dataset/8ea1bd82-21db-4726-8d2a-be5866734ea0 using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, https://gbif.org/dataset/8ea1bd82-21db-4726-8d2a-be5866734ea0. Formatted as a Frictionless Data package.
DOI: 10.25919/q1hf-8p06
title: Spectral-Domain Hierarchical Data Format (SDHDF) Definition

description: Formal definition of the Spectral-Domain Hierarchical Data Format (SDHDF) for radio astronomy data products. This collection contains the definition document and a template data file.
DOI: 10.5281/zenodo.10507505
title: Linked collectors and determiners for: Review and reclassification of the Old World genus Physopelta (Hemiptera: Heteroptera: Largidae).

description: Natural history specimen data linked to collectors and determiners held within, "Review and reclassification of the Old World genus Physopelta (Hemiptera: Heteroptera: Largidae)". Claims or attributions were made on Bionomia by volunteer Scribes, https://bionomia.net/dataset/956fa4e4-8b18-4c70-94b2-5722d5348180 using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, https://gbif.org/dataset/956fa4e4-8b18-4c70-94b2-5722d5348180. Formatted as a Frictionless Data package.
DOI: 10.5281/zenodo.10507506
title: Linked collectors and determiners for: Review and reclassification of the Old World genus Physopelta (Hemiptera: Heteroptera: Largidae).

description: Natural history specimen data linked to collectors and determiners held within, "Review and reclassification of the Old World genus Physopelta (Hemiptera: Heteroptera: Largidae)". Claims or attributions were made on Bionomia by volunteer Scribes, https://bionomia.net/dataset/956fa4e4-8b18-4c70-94b2-5722d5348180 using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, https://gbif.org/dataset/956fa4e4-8b18-4c70-94b2-5722d5348180. Formatted as a Frictionless Data package.
DOI: 10.5281/zenodo.10596218
title: Linked collectors and determiners for: Review and reclassification of the Old World genus Physopelta (Hemiptera: Heteroptera: Largidae).

description: Natural history specimen data linked to collectors and determiners held within, "Review and reclassification of the Old World genus Physopelta (Hemiptera: Heteroptera: Largidae)". Claims or attributions were made on Bionomia by volunteer Scribes, https://bionomia.net/dataset/956fa4e4-8b18-4c70-94b2-5722d5348180 using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, https://gbif.org/dataset/956fa4e4-8b18-4c70-94b2-5722d5348180. Formatted as a Frictionless Data package.
DOI: 10.5281/zenodo.10507509
title: Linked collectors and determiners for: Nuevas citas del género Mimosa (Mimosoideae, Leguminosae) para la flora del Paraguay.

description: Natural history specimen data linked to collectors and determiners held within, "Nuevas citas del género Mimosa (Mimosoideae, Leguminosae) para la flora del Paraguay". Claims or attributions were made on Bionomia by volunteer Scribes, https://bionomia.net/dataset/9a7681d3-7239-4dca-a731-41f49aab5238 using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, https://gbif.org/dataset/9a7681d3-7239-4dca-a731-41f49aab5238. Formatted as a Frictionless Data package.
DOI: 10.5281/zenodo.10507510
title: Linked collectors and determiners for: Nuevas citas del género Mimosa (Mimosoideae, Leguminosae) para la flora del Paraguay.

description: Natural history specimen data linked to collectors and determiners held within, "Nuevas citas del género Mimosa (Mimosoideae, Leguminosae) para la flora del Paraguay". Claims or attributions were made on Bionomia by volunteer Scribes, https://bionomia.net/dataset/9a7681d3-7239-4dca-a731-41f49aab5238 using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, https://gbif.org/dataset/9a7681d3-7239-4dca-a731-41f49aab5238. Formatted as a Frictionless Data package.
DOI: 10.5281/zenodo.10596219
title: Linked collectors and determiners for: Nuevas citas del género Mimosa (Mimosoideae, Leguminosae) para la flora del Paraguay.

description: Natural history specimen data linked to collectors and determiners held within, "Nuevas citas del género Mimosa (Mimosoideae, Leguminosae) para la flora del Paraguay". Claims or attributions were made on Bionomia by volunteer Scribes, https://bionomia.net/dataset/9a7681d3-7239-4dca-a731-41f49aab5238 using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, https://gbif.org/dataset/9a7681d3-7239-4dca-a731-41f49aab5238. Formatted as a Frictionless Data package.
DOI: 10.25919/pftz-at57
title: Parkes pulsar observations with undefined project IDs for 2023OCTS_16

description: Parkes pulsar observations with undefined project IDs for 2023OCTS. This collection contains observations from project ID PX114.
DOI: 10.5281/zenodo.10596221
title: Linked collectors and determiners for: Phyllanthus chapadensis, a new phyllocladiferous Phyllanthus (Phyllanthaceae) from the Chapada dos Veadeiros, Goiás, Brazil.

description: Natural history specimen data linked to collectors and determiners held within, "Phyllanthus chapadensis, a new phyllocladiferous Phyllanthus (Phyllanthaceae) from the Chapada dos Veadeiros, Goiás, Brazil". Claims or attributions were made on Bionomia by volunteer Scribes, https://bionomia.net/dataset/a48527f2-28af-469b-ac4c-84a0595c85ab using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, https://gbif.org/dataset/a48527f2-28af-469b-ac4c-84a0595c85ab. Formatted as a Frictionless Data package.
DOI: 10.5281/zenodo.10507513
title: Linked collectors and determiners for: Phyllanthus chapadensis, a new phyllocladiferous Phyllanthus (Phyllanthaceae) from the Chapada dos Veadeiros, Goiás, Brazil.

description: Natural history specimen data linked to collectors and determiners held within, "Phyllanthus chapadensis, a new phyllocladiferous Phyllanthus (Phyllanthaceae) from the Chapada dos Veadeiros, Goiás, Brazil". Claims or attributions were made on Bionomia by volunteer Scribes, https://bionomia.net/dataset/a48527f2-28af-469b-ac4c-84a0595c85ab using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, https://gbif.org/dataset/a48527f2-28af-469b-ac4c-84a0595c85ab. Formatted as a Frictionless Data package.
DOI: 10.5281/zenodo.10507514
title: Linked collectors and determiners for: Phyllanthus chapadensis, a new phyllocladiferous Phyllanthus (Phyllanthaceae) from the Chapada dos Veadeiros, Goiás, Brazil.

description: Natural history specimen data linked to collectors and determiners held within, "Phyllanthus chapadensis, a new phyllocladiferous Phyllanthus (Phyllanthaceae) from the Chapada dos Veadeiros, Goiás, Brazil". Claims or attributions were made on Bionomia by volunteer Scribes, https://bionomia.net/dataset/a48527f2-28af-469b-ac4c-84a0595c85ab using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, https://gbif.org/dataset/a48527f2-28af-469b-ac4c-84a0595c85ab. Formatted as a Frictionless Data package.
DOI: 10.5281/zenodo.10507529
title: Linked collectors and determiners for: On some Lomechusini of the Palaearctic and Oriental regions (Coleoptera: Staphylinidae: Aleocharinae).

description: Natural history specimen data linked to collectors and determiners held within, "On some Lomechusini of the Palaearctic and Oriental regions (Coleoptera: Staphylinidae: Aleocharinae)". Claims or attributions were made on Bionomia by volunteer Scribes, https://bionomia.net/dataset/d2933fad-1cac-4a5a-a558-2633f8314541 using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, https://gbif.org/dataset/d2933fad-1cac-4a5a-a558-2633f8314541. Formatted as a Frictionless Data package.
DOI: 10.5281/zenodo.10507530
title: Linked collectors and determiners for: On some Lomechusini of the Palaearctic and Oriental regions (Coleoptera: Staphylinidae: Aleocharinae).

description: Natural history specimen data linked to collectors and determiners held within, "On some Lomechusini of the Palaearctic and Oriental regions (Coleoptera: Staphylinidae: Aleocharinae)". Claims or attributions were made on Bionomia by volunteer Scribes, https://bionomia.net/dataset/d2933fad-1cac-4a5a-a558-2633f8314541 using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, https://gbif.org/dataset/d2933fad-1cac-4a5a-a558-2633f8314541. Formatted as a Frictionless Data package.
DOI: 10.5281/zenodo.10596235
title: Linked collectors and determiners for: On some Lomechusini of the Palaearctic and Oriental regions (Coleoptera: Staphylinidae: Aleocharinae).

description: Natural history specimen data linked to collectors and determiners held within, "On some Lomechusini of the Palaearctic and Oriental regions (Coleoptera: Staphylinidae: Aleocharinae)". Claims or attributions were made on Bionomia by volunteer Scribes, https://bionomia.net/dataset/d2933fad-1cac-4a5a-a558-2633f8314541 using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, https://gbif.org/dataset/d2933fad-1cac-4a5a-a558-2633f8314541. Formatted as a Frictionless Data package.
DOI: 10.5281/zenodo.10596236
title: Linked collectors and determiners for: Taxonomic revision of the Afrotropical species of the tribe Eudorylini (Diptera, Pipunculidae).

description: Natural history specimen data linked to collectors and determiners held within, "Taxonomic revision of the Afrotropical species of the tribe Eudorylini (Diptera, Pipunculidae)". Claims or attributions were made on Bionomia by volunteer Scribes, https://bionomia.net/dataset/d2c3e582-04bb-4d44-8261-b62f1b0db73a using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, https://gbif.org/dataset/d2c3e582-04bb-4d44-8261-b62f1b0db73a. Formatted as a Frictionless Data package.
DOI: 10.5281/zenodo.10507531
title: Linked collectors and determiners for: Taxonomic revision of the Afrotropical species of the tribe Eudorylini (Diptera, Pipunculidae).

description: Natural history specimen data linked to collectors and determiners held within, "Taxonomic revision of the Afrotropical species of the tribe Eudorylini (Diptera, Pipunculidae)". Claims or attributions were made on Bionomia by volunteer Scribes, https://bionomia.net/dataset/d2c3e582-04bb-4d44-8261-b62f1b0db73a using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, https://gbif.org/dataset/d2c3e582-04bb-4d44-8261-b62f1b0db73a. Formatted as a Frictionless Data package.
DOI: 10.5281/zenodo.10507532
title: Linked collectors and determiners for: Taxonomic revision of the Afrotropical species of the tribe Eudorylini (Diptera, Pipunculidae).

description: Natural history specimen data linked to collectors and determiners held within, "Taxonomic revision of the Afrotropical species of the tribe Eudorylini (Diptera, Pipunculidae)". Claims or attributions were made on Bionomia by volunteer Scribes, https://bionomia.net/dataset/d2c3e582-04bb-4d44-8261-b62f1b0db73a using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, https://gbif.org/dataset/d2c3e582-04bb-4d44-8261-b62f1b0db73a. Formatted as a Frictionless Data package.
DOI: 10.5281/zenodo.10507535
title: Linked collectors and determiners for: Five new species in the predaceous midge genus Macrurohelea Ingram & Macfie from Argentina, and descriptions of the previously unknown males of M. kuscheli Wirth and M. monotheca Spinelli & Grogan (Diptera: Ceratopogonidae).

description: Natural history specimen data linked to collectors and determiners held within, "Five new species in the predaceous midge genus Macrurohelea Ingram & Macfie from Argentina, and descriptions of the previously unknown males of M. kuscheli Wirth and M. monotheca Spinelli & Grogan (Diptera: Ceratopogonidae)". Claims or attributions were made on Bionomia by volunteer Scribes, https://bionomia.net/dataset/d6297960-52dd-4b0a-a51b-05bda0e7d69f using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, https://gbif.org/dataset/d6297960-52dd-4b0a-a51b-05bda0e7d69f. Formatted as a Frictionless Data package.
DOI: 10.5281/zenodo.10507536
title: Linked collectors and determiners for: Five new species in the predaceous midge genus Macrurohelea Ingram & Macfie from Argentina, and descriptions of the previously unknown males of M. kuscheli Wirth and M. monotheca Spinelli & Grogan (Diptera: Ceratopogonidae).

description: Natural history specimen data linked to collectors and determiners held within, "Five new species in the predaceous midge genus Macrurohelea Ingram & Macfie from Argentina, and descriptions of the previously unknown males of M. kuscheli Wirth and M. monotheca Spinelli & Grogan (Diptera: Ceratopogonidae)". Claims or attributions were made on Bionomia by volunteer Scribes, https://bionomia.net/dataset/d6297960-52dd-4b0a-a51b-05bda0e7d69f using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, https://gbif.org/dataset/d6297960-52dd-4b0a-a51b-05bda0e7d69f. Formatted as a Frictionless Data package.
DOI: 10.5281/zenodo.10596239
title: Linked collectors and determiners for: Five new species in the predaceous midge genus Macrurohelea Ingram & Macfie from Argentina, and descriptions of the previously unknown males of M. kuscheli Wirth and M. monotheca Spinelli & Grogan (Diptera: Ceratopogonidae).

description: Natural history specimen data linked to collectors and determiners held within, "Five new species in the predaceous midge genus Macrurohelea Ingram & Macfie from Argentina, and descriptions of the previously unknown males of M. kuscheli Wirth and M. monotheca Spinelli & Grogan (Diptera: Ceratopogonidae)". Claims or attributions were made on Bionomia by volunteer Scribes, https://bionomia.net/dataset/d6297960-52dd-4b0a-a51b-05bda0e7d69f using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, https://gbif.org/dataset/d6297960-52dd-4b0a-a51b-05bda0e7d69f. Formatted as a Frictionless Data package.
DOI: 10.5281/zenodo.10596208
title: Natural hydraulic fracturing induced by hydrocarbon generation in organic-rich shales: timing and mechanism

description: Full analytical data of In-situ U-Pb dating, trace elements, C-O-Sr isotopes, and fluid inclusion microthermometry of fracture vein samples from the Longmaxi Formation, southern Sichuan Basin, SW China
DOI: 10.5281/zenodo.10596209
title: Natural hydraulic fracturing induced by hydrocarbon generation in organic-rich shales: timing and mechanism

description: Full analytical data of In-situ U-Pb dating, trace elements, C-O-Sr isotopes, and fluid inclusion microthermometry of fracture vein samples from the Longmaxi Formation, southern Sichuan Basin, SW China