Passaloteuthis
| Passaloteuthis Temporal range: Pliensbachian-Toarcian | |
|---|---|
| Passaloteuthis auricipitis guards from the Lower Lias strata, Gloucestershire, England | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Order: | †Belemnitida |
| Family: | †Passaloteuthididae |
| Genus: | †Passaloteuthis Lissajous, 1915 |
Passaloteuthis is a genus of belemnite, an extinct group of cephalopods. Belemnites are typically known for having about 40 micro-hooks on each one of its appendage. However, Passaloteuthis is notable for being associated with a pair of mega-hooks known as onychites. These hooks are tentatively interpreted as male-specific features, though their exact function is still unknown.