Acrocephalella

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);

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]

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]

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References

Sepkoski, Jack (2002). "A compendium of fossil marine animal genera (Trilobita entry)". Bulletins of American Paleontology. 364: 560. Archived from the original on 2006-09-05. Retrieved 2008-01-12.
Rozova, A.V. (1968). "Biostratigrafiya i trilobity verkhnego Kembriya i nizhnego Ordovika severo-zapada Sibirskoy Platformy [Biostratigraphy and trilobites of the Upper Cambrian and Lower Ordovician of the northwestern Siberian platform]". Trudy Instituta Geologii i Geofiziki, Sibirskoye Otdeleniye. 36: 1–195. cited in Paleobiology Database. "Acrocephalella granulosa". Retrieved 1 November 2013.

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[Sepkoski-1] Sepkoski, Jack (2002). "A compendium of fossil marine animal genera (Trilobita entry)". Bulletins of American Paleontology. 364: 560. Archived from the original on 2006-09-05. Retrieved 2008-01-12.

[2] Rozova, A.V. (1968). "Biostratigrafiya i trilobity verkhnego Kembriya i nizhnego Ordovika severo-zapada Sibirskoy Platformy [Biostratigraphy and trilobites of the Upper Cambrian and Lower Ordovician of the northwestern Siberian platform]". Trudy Instituta Geologii i Geofiziki, Sibirskoye Otdeleniye. 36: 1–195. cited in Paleobiology Database. "Acrocephalella granulosa". Retrieved 1 November 2013.