Type species: Calwellia bicornis Wyville Thomson, 1858
Image below is of the original genus definition, from Wyville Thomson, 1858.
Prepared by courtesy of Mary Spencer-Jones,
Copyright © Natural History Museum, London.
This genus includes the species:
Wyville Thomson, 1858 | Recent | Australia, New Zealand | WoRMS 472058 | |
Maplestone, 1882 | Recent | Australia, New Zealand | WoRMS 472059 |
Calwellia bicornis |
Harmer notebook - entry for Calwellia