Acrocephalella

Acrocephalella; Temporal range: Guzhangian–Paibian PreꞒ Ꞓ O S D C P T J K Pg N ↓
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Clade:	† Artiopoda
Class:	† Trilobita
Order:	† Ptychopariida
Family:	† Acrocephalitidae
Genus:	† Acrocephalella ; Rozova, 1963
Species
	Acrocephalella granulosaRozova, 1963 (type);

Last updated November 15, 2025

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

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

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 inPaleobiology Database. "Acrocephalella granulosa" . Retrieved 17 December 2021.

This trilobite-related article is a stub. You can help Wikipedia by expanding it.

This page is based on this Wikipedia article
Text is available under the CC BY-SA 4.0 license; additional terms may apply.
Images, videos and audio are available under their respective licenses.

[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 inPaleobiology Database. "Acrocephalella granulosa" . Retrieved 17 December 2021.

[1]

[2]