Trochactaeon
Encyclopedia
Trochactaeon is an extinct genus
of sea snail
s, marine
gastropod mollusks.
The genus Trochactaeon is known from the Late Cretaceous to the Early Cretaceous periods.
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...
of sea snail
Sea snail
Sea snail is a common name for those snails that normally live in saltwater, marine gastropod molluscs....
s, marine
Marine (ocean)
Marine is an umbrella term. As an adjective it is usually applicable to things relating to the sea or ocean, such as marine biology, marine ecology and marine geology...
gastropod mollusks.
The genus Trochactaeon is known from the Late Cretaceous to the Early Cretaceous periods.
Species
- Trochactaeon conicus - late Cretaceous
- Trochactaeon crisimensis Choffat, 1966