Labidodemas, Selenka, 1867
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
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
Kingdom |
|
Phylum |
|
Class |
|
Order |
|
Family |