Labidodemas Selenka 1867
Creators: name: Setyastuti, Ana
name: Solis-Marin, Francisco Alonso
name: Lüter, Carsten
Publisher: name: Zenodo
Year: 2024
Subjects: Biodiversity
Taxonomy
Animalia
Echinodermata
Holothuroidea
Holothuriida
Holothuriidae
Labidodemas

description: Key to the species of the genus Labidodemas
1 Tables with large disc perforated by at least two circles of peripheral holes........................................ 2
- Tables with small discs without peripheral holes or with one circle of peripheral holes............................... 3
2 Tables with high spire....................................................................... L. maccullochi
- Tables with low spire or no spire.............................................................. L. americanum
3 Table crown> table disc................................................................................ 4
- Table crown <table disc................................................................................ 7
4 Table disc with very few or without peripheral holes......................................................... 5
- Table disc with one circle of peripheral holes............................................................... 6
5 Rim of table disc spiny, disc with four central holes; table crown with four long acute spines, occasionally bifurcated distally; buttons and pseudo-buttons absent in body wall; anal papillae absent............................... L. quadripartitum
- Rim of table disc very spiny, disc with four to five central holes; table crown with four to five long acute spines arranged in regular/overlapping; always bifurcated distally; buttons absent in body wall; pseudo-buttons present in body wall; anal papillae present..................................................................... Labidodemas javaensis sp. nov.
6 Rim of table disc spiny, disc with four to six central holes; table crown with four to five long spines most of them bifurcated distally; table crown> table disc; buttons present in dorsal body wall................................ L. semperianum
- Table disc smooth, disc with five to eight central holes; table crown with five to eight huge spines deeply bifurcated distally; table crown >> table disc (up to twice the diameter); buttons present in dorsal and ventral body wall.. L. pseudosemperianum
7 Table spire high, buttons present and smooth........................................................ L. rugosum
- Table spire low, buttons present or absent; if present, spiny.................................................... 8
8 Table disc with peripheral holes, buttons present; table crown very irregular............................... L. spineum
- Table disc nearly always without peripheral holes; buttons absent; table crown regular....................... L. pertinax
description: Published as part of Setyastuti, Ana, Solis-Marin, Francisco Alonso & Lüter, Carsten, 2024, Sea cucumbers of the genus Labidodemas (Holothuroidea: Holothuriida: Holothuriidae) from Indonesia, with the description of a new species and a revised key to the genus, pp. 227-244 in Zootaxa 5506 (2) on pages 242-243, DOI: 10.11646/zootaxa.5506.2.4, http://zenodo.org/record/13746857