Falcidens
Falcidens is one of three genera within the family Chaetodermatida; its radula consists of a single row of teeth which are mineralized in crystalline hydroxyapatite, and its teeth are not periodically shed and replaced like in other molluscs.
For details of the radula, see Radula#In caudofoveates.
It contains the following species:
- Falcidens acutargatus Salvini-Plawen, 1992
- Falcidens aequabilis Salvini-Plawen, 1972
- Falcidens caudatus Heath, 1918)
- Falcidens chiastos Scheltema, 1989
- Falcidens crossotus Salvini-Plawen, 1968
- Falcidens gutturosus Kowalewsky, 1901)
- Falcidens halanychi Schander, Scheltema & Ivanov, 2006
- Falcidens hartmanae Schwabl, 1961)
- Falcidens hoffmanni Stork, 1939)
- Falcidens indicus Stork, 1941)
- Falcidens ingolfensis Salvini-Plawen, 1971
- Falcidens limifossorides Salvini-Plawen, 1986
- Falcidens liosqueameus Salvini-Plawen, 1969
- Falcidens lipuros Scheltema, 1989
- Falcidens longus Scheltema, 1998
- Falcidens loveni Nierstrasz, 1902)
- Falcidens macracanthos Scheltema, 1998
- Falcidens macrafrondis Scheltema, 1989
- Falcidens nontargatus Salvini-Plawen, 1992
- Falcidens normanni Nierstrasz, 1903)
- Falcidens poias Scheltema, 1995
- Falcidens profundus Salvini-Plawen, 1968
- Falcidens sagittiferus Salvini-Plawen, 1968
- Falcidens sterreri Salvini-Plawen, 1967)
- Falcidens strigisquamatus Salvini-Plawen, 1977)
- Falcidens targatus Salvini-Plawen, 1986
- Falcidens targotegulatus Salvini-Plawen, 1992
- Falcidens thorensis Salvini-Plawen, 1971
- Falcidens vasconiensis Salvini-Plawen, 1996
- Falcidens wireni Nierstrasz, 1902)