Vampyromorphida
Vampyromorphida is an order of cephalopods comprising one known extant species and many extinct taxa. Physically, they somewhat resemble octopuses, but the eight arms are united by a web of skin, and two smaller cilia are also present.Classification
- Order Vampyromorphida
- *Suborder †Kelaenina
- **Family †Muensterellidae
- *Suborder †Prototeuthina
- **Family †Loligosepiidae
- **Family †Geopeltididae
- **Family †Lioteuthididae
- **Family †Mastigophoridae
- *Suborder †Mesoteuthina
- **Family †Palaeololiginidae
- ***Subfamily †Teudopseinae
- ***Subfamily †Palaeololigininae
- *Suborder Vampyromorphina
- **Family Vampyroteuthidae
The following taxa were long considered to belong to Vampyromorphida, but this placement may be incorrect:
- Family †Plesioteuthididae
- Family †Leptotheuthididae
- Family †Trachyteuthididae
- *Subfamily †Trachyteuthidinae
- *Subfamily †Actinosepiinae
