Labidodemas, Selenka, 1867

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, Zootaxa 5506 (2), pp. 227-244 : 242-243

publication ID

https://doi.org/ 10.11646/zootaxa.5506.2.4

publication LSID

lsid:zoobank.org:pub:55527A8F-3454-49A2-AD65-ECBAE234C03D

DOI

https://doi.org/10.5281/zenodo.13768070

persistent identifier

https://treatment.plazi.org/id/03C0F828-FFB8-3A0A-95F4-F992FA1E3473

treatment provided by

Plazi

scientific name

Labidodemas
status

 

Key to the species of the genus Labidodemas View in CoL

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 View in CoL

- Tables with low spire or no spire.............................................................. L. americanum View in CoL

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 View in CoL

- 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 View in CoL

- 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 View in CoL

7 Table spire high, buttons present and smooth........................................................ L. rugosum View in CoL

- 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 View in CoL

- Table disc nearly always without peripheral holes; buttons absent; table crown regular....................... L. pertinax View in CoL

GBIF Dataset (for parent article) Darwin Core Archive (for parent article) View in SIBiLS Plain XML RDF