Euthyonidiella Heding & Panning 1954
Creators: name: Teoh, Vincent Yong Jian
name: Woo, Sau Pinn
Publisher: name: Zenodo
Year: 2022
Subjects: Biodiversity
Taxonomy
Animalia
Echinodermata
Holothuroidea
Dendrochirotida
Sclerodactylidae
Euthyonidiella

description: Identification key to the genus Euthyonidiella
1. Table ossicles with spire formed with four pillars............................................................ 2
- Table ossicles with spire formed with two pillars….......................................................... 6
2. Table ossicles with square or rectangular shaped disc….............................................. E. arenicola
- Table ossicles with circular shaped disc….................................................................. 3
3. Support modified table ossicles which consist of a spire absent in tube feet.......................… E. zulfigaris sp. nov.
- Support modified table ossicles which consist of a spire present in tube feet…..................................... 4
4. Spire of support modified table ossicles in tube feet with support bars forming a net-like appearance....... E. tungshanensis
- Spire of support modified table ossicles in tube feet tack-like without support bars…................................ 5
5. Rosette ossicles present in tentacles…............................................................... E. dubia
- Rosette ossicles absent in tentacles…............................................................. E. aculeata
6. Support modified table ossicles present in tube feet…........................................................ 7
- Support modified table ossicles absent in tube feet…......................................................... 9
7. Spire of support modified table ossicles in tube feet not tack-like….............................................. 8
- Spire of support modified table ossicles in tube feet tack-like…......................................... E. ambigua
8. Support modified table ossicles in tube feet with spire ending with few short spines….................... E. kyushuensis
- Support modified table ossicles in tube feet with spire ending in two diverging spines…....................... E. zacae
9. Rod ossicles absent in tentacles; thick elongate perforated plate present in tentacles….......................... E. huwi
- Rod ossicles present in tentacles; thick elongate perforated plate absent in tentacles.............................. …10
10. Rosette ossicles absent in tentacles…........................................................... E. destichada
- Rosette ossicles present in tentacles….................................................................... 11
11. Support rods present in tube feet…............................................................ E. occidentalis
- Support rods absent in tube feet…................................................................... E. trita
description: Published as part of Teoh, Vincent Yong Jian & Woo, Sau Pinn, 2022, Two new species of sea cucumbers (Echinodermata: Holothuroidea) from the seagrass meadow of Penang, Malaysia, pp. 107-118 in Zootaxa 5128 (1) on page 112, DOI: 10.11646/zootaxa.5128.1.6, http://zenodo.org/record/6479636