| Rounded |
 ; |
Stephanthus antarcticus
gen. nov., sp. nov. B, C. Paratype (ZMH C11681), lateral and aboral view,
respectively; note the rounded aboral end.Scale bar 20mm Permission
to display image requested from copyright holder, reply pending. |
| Physa-like |
 |
Fig. 1.-Side view of animal x 3 diam. |
| Forms a more or less well-developed
flat pedal disc |
|
Fig. 1.-Porponia antarctica; A from the
side, B from the disc. |
| Forms a broad pedal disc |
|
d-f, Nectothela lilae Verrill: d-e, expanded
and partially contracted, respectively (x 2) |
