Massinium
| Main Authors: | P. Mark O'Loughlin, Melanie Mackenzie, Didier Vandenspiegel |
|---|---|
| Format: | info publication-taxonomictreatment |
| Terbitan: |
, 2014
|
| Subjects: | |
| Online Access: |
https://zenodo.org/record/6138220 |
Daftar Isi:
- Key to the species of Massinium 1. Ossicles present in the mid-body wall 2 — Mid-body wall lacking ossicles 9 2. Mid-body wall with table ossicles of some form present 3 — Mid-body wall lacking any form of table ossicles 6 3. Mid-body wall ossicles tables only 4 — Mid-body wall ossicles tables and additional ossicle forms 5 4. Peri-oral table spires well developed, typically with long, splayed, pointed apical spines M. bonapartum sp. nov. (NW Australia) — Peri-oral table spires frequently absent or reduced, few short apical spines M. keesingi sp. nov. (NW Australia) 5. Mid-body with rare but developed table ossicles; tentacles with table ossicles; up to 2 polian vesicles M. dissimilis (Madagascar) — Mid-body with reduced table ossicles; tentacles with rosettes only; typically 4 polian vesicles M. magnum (Indonesia) 6. Mid-body wall with rosettes present 7 — Mid-body wall lacking rosettes 8 7. Introvert table discs irregular with predominantly 4 central perforations and single ring of smaller outer perforations; tentacles with rods and rosettes M. maculosum (South Africa) — Introvert table discs irregular with predominantly 4 central perforations and up to 3 rings of smaller outer perforations; tentacles with elongate rod-rosettes M. albicans (New Caledonia) 8. Mid-body ossicles predominantly short, thick, irregular, rarely perforate, granuliform rods; tentacles with rosette ossicles only M. granulosum. (NE Australia) — Mid-body ossicles predominantly U-shaped, distally perforate rods; tentacles with rod ossicles only M. arthroprocessum (South Africa) 9. Large and small tube feet uniformly distributed; 4 polian vesicles; peri-anal body wall with table ossicles Massinium melanieae (Great Australian Bight) — Tube feet not uniformly distributed; fewer than 4 polian vesicles; peri-anal body wall lacking table ossicles 10 10. Tube feet scattered dorsally, more prominent ventrally; peri-oral table discs with up to 20 perforations; tentacles with rods and rare rosettes Massinium vimsi (Bass Strait, SE Australia) — Tube feet more concentrated along longitudinal muscles; peri-oral table discs with up to 40 perforations; tentacles with rare fine rods, lacking rosettes Massinium watsonae (SE Tasmania, Australia)
- Published as part of P. Mark O'Loughlin, Melanie Mackenzie & Didier Vandenspiegel, 2014, New dendrochirotid sea cucumbers from northern Australia (Echinodermata: Holothuroidea: Dendrochirotida), pp. 5-23 in Memoirs of Museum Victoria 72 on page 12, DOI: 10.5281/zenodo.1298027