Acaudina, H. L. Clark, 1908

publication ID	https://doi.org/ 10.11646/zootaxa.5128.1.6
publication LSID	lsid:zoobank.org:pub:6BB58C2A-323F-4DE4-A0CA-3140428D1D3B
DOI	https://doi.org/10.5281/zenodo.6498167
persistent identifier	https://treatment.plazi.org/id/4150A955-FF84-A56D-FF2C-FF18E0ADFD7D
treatment provided by	Plazi
scientific name	Acaudina
status

Identification key to the genus Acaudina View in CoL

1. Presence of doughnut-shaped bodies….................................................................... 2

- Absence of doughnut-shaped bodies….................................................................... 5

2. Doughnut-shaped bodies spinose........................................................ … A. spinifera sp. nov.

- Doughnut-shaped bodies smooth…....................................................................... 3

3. Perforated plates either spinose or smooth….................................................... A. molpadioides View in CoL

- Perforated plates always smooth…....................................................................... 4

4. Rod ossicles may have branched ends…........................................................... A. punctata View in CoL

- Rod ossicles without branched ends….......................................................... A. leucoprocta View in CoL

5. Ossicles absent…............................................................................ A. pellucida View in CoL

- Ossicles present.................................................................................... …6

6. Rosette present in body wall….................................................................... A. rosettis View in CoL

- Rosette absent in body wall…........................................................................... 7

7. Spinose subspherical ossicles present in body wall…................................................. A. demissa View in CoL

- Spinose subspherical ossicles absent in body wall….......................................................... 8

8. Rod ossicles dominant in body wall; may be smooth or spinose........................................ … A. bacilla View in CoL

- Spinose perforated plates dominant in body wall; rod ossicles always finely spinose…...................... A. suspecta View in CoL