Acrocephalella

Acrocephalella is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived from 501 to 497 million years ago during the Guzhangian of the late Cambrian Period.^[1]

Acrocephalella Temporal range: Guzhangian–Paibian PreꞒ Ꞓ O S D C P T J K Pg N ↓
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Trilobita
Order:	Ptychopariida
Superfamily:	Ptychoparioidea
Family:	Acrocephalitidae
Genus:	Acrocephalella Rozova, 1963
species
A. granulosa Rozova, 1963 (type)

Distribution

A. granulosa is present in the Cambrian of the Russian Federation (Nganasany Member, Kulyumbe Formation, Kulyumbe River, Krasnoyar, 68.0°N - 88.8°E).^[2]