Taxonomic
placement of genera in the phylum Chaetognatha
A single class and three
orders are recognized within the phylum Chaetognatha. The placement of
the 10 families and 24 genera are outlined below. I have not included the
sub-classes of either Tokioka or Casanova in this outline. For further
information, please consult the works of Tokioka
(1965), Casanova (1985)
and Bieri (1991a,b). The species
list for the phylum Chaetognatha is found on a separate page.
Phylum Chaetognatha
Class Sagittoidea
Order MONOPHRAGMOPHORA
Casanova, 1985
Family Heterokrohniidae
Genus Heterokrohnia
Ritter-Záhony, 1911
Genus Archeterokrohnia
Casanova 1986
Genus Xenokrohnia
Casanova, 1993
Order BIPHRAGMOPHORA
Casanova, 1985
Family Spadellidae Tokioka,
1965
Genus Spadella Langerhans,
1880
Genus Paraspadella
Salvini-Plawen, 1987
Family Eukrohniidae
Tokioka, 1965
Genus Eukrohnia
Ritter-Záhony, 1909
Family Bathyspadellidae
Genus Bathyspadella
Tokioka, 1939
Family Krohnittellidae
Bieri, 1989
Genus Krohnittella
Germain and Joubin
Family Krohnittidae
Tokioka, 1965
Genus Krohnitta
Ritter-Záhony, 1910
Order APHRAGMOPHORA
TOKIOKA, 1965
Family Sagittidae
Claus and Groben, 1905
Genus Sagitta Quoy
and Gaimard, 1827
Genus Adhesisagitta
Bieri, 1991b
Genus Aidanosagitta
Tokioka and Pathansali, 1963
Genus Caecosagitta Tokioka,
1965
Genus Ferosagitta
Kassatkina, 1971
Genus Flaccisagitta
Tokioka, 1965
Genus Mesosagitta
Tokioka 1965
Genus Parasagitta
Tokioka, 1965
Genus Pseudosagitta
Germain and Joubin, 1912
Genus Serratosagitta
Tokioka, 1965
Genus Solidosagitta
Tokioka, 1965
Genus Zonosagitta
Tokioka, 1965
Family Bathybelidae
Bieri, 1989
Genus Bathybelos
Owre, 1973
Family Pterosagittidae
Tokioka, 1965
Genus Pterosagitta
Costa, 1869
Family Pterokrohniidae
Bieri, 1991
Genus Pterokrohnia
Srinivasan, 1986
Go
to Chaetognatha main page
Go
to list of all chaetognath species
Comments?
Email me at thuesene@evergreen.edu.
