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Morphology Ecology and taphonomy   Age range and collections

Trigonotreta

Rhynchonellata - Spiriferida - Trigonotretidae

Taxonomy
Trigonotreta was named by Koenig (1825) [Sepkoski's age data: C Step-l P Leon Sepkoski's reference number: 62,538,712]. It is the type genus of Trigonotretinae.

It was reranked as Spirifer (Trigonotreta) by Meek (1877).

It was assigned to Spirifer by Meek (1877); to Spiriferida by Sepkoski (2002); and to Trigonotretinae by Williams et al. (2006).

Synonyms
Synonymy list
YearName and author
1825Trigonotreta Koenig p. 3
1877Spirifer (Trigonotreta) Meek p. 90
2002Grantonia Sepkoski, Jr.
2002Trigonotreta Sepkoski, Jr.
2006Trigonotreta Williams et al. p. 1801

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Eutriploblastica
Neotriploblastica
Eucoelomata
superphylumLophotrochozoa
Lophophorata
phylumBrachiopodaCuvier 1805
RankNameAuthor
subphylumRhynchonelliformeaWilliams et al. 1996
classRhynchonellataWilliams et al. 1996
orderSpiriferida
suborderSpiriferidina
superfamilySpiriferoidea()
familyTrigonotretidae
subfamilyTrigonotretinae
genusTrigonotreta

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Diagnosis
No diagnoses are available