*** Welcome to piglix ***

Pygocephalomorph

Pygocephalomorpha
Temporal range: Carboniferous–Permian
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Crustacea
Class: Malacostraca
Superorder: Peracarida
Order: Pygocephalomorpha
Beurlen, 1930
Families

The order Pygocephalomorpha is an extinct group of peracarid crustaceans. It contains five families, and one genus incertae sedis.

Pygocephalomorpha were abundant from the Carboniferous until their extinction in the Permian.


...
Wikipedia

...