Ellipsocephaloidea
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: †Trilobita
Order: †Ptychopariida
Suborder: †Ptychopariina
Superfamily: †Ellipsocephaloidea
Lin, 1990
Families

See text

Ellipsocephaloidea is a superfamily of trilobites that lived during the Cambrian period. It was first described by Lin in 1990.

Taxonomy

According to the Fossilworks database, Ellipsocephaloidea belongs to the order Redlichiida and includes several families, such as Agraulidae, Bigotinidae, Ellipsocephalidae, Estaingiidae, Palaeolenidae, and Yunnanocephalidae, although it is now thought the superfamily is within the Ptychopariida[1]

Agraulidae

Agraulidae is a family of trilobites within the superfamily Ellipsocephaloidea. Members of this family are characterized by their large size and distinctive cephalic features.

Bigotinidae

Bigotinidae is another family of trilobites within the superfamily Ellipsocephaloidea. Members of this family are known for their small size and elongated body shape.

Ellipsocephalidae

Ellipsocephalidae is a family of trilobites within the superfamily Ellipsocephaloidea. Members of this family are characterized by their oval-shaped cephalon and distinctive thoracic segments.

Estaingiidae

Estaingiidae is a family of trilobites within the superfamily Ellipsocephaloidea. Members of this family are known for their large size and distinctive pygidium.

Palaeolenidae

Palaeolenidae is a family of trilobites within the superfamily Ellipsocephaloidea. Members of this family are characterized by their small size and distinctive cephalic features.

Yunnanocephalidae

Yunnanocephalidae is a family of trilobites within the superfamily Ellipsocephaloidea. Members of this family are known for their large size and distinctive thoracic segments.

Ecology

These trilobites were fast-moving low-level epifaunal deposit feeders.

References

[2][3][4]

  1. ↑ "ORDER PTYCHOPARIIDA".
  2. ↑ Repositórios e Sistemas de Registro Eletrônico em Saúde, 2.ed. Cegraf UFG. 2022-01-16. doi:10.5216/rep.ebook.978-85-495-0641-2/2022. ISBN 978-85-495-0641-2.
  3. ↑ "The Paleobiology Database". paleobiodb.org. Retrieved 2023-08-06.
  4. ↑ "--- The Palaeontological Society of India [INDIA] ---". palaeontologicalsociety.in. Retrieved 2023-08-06.


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