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Morphology Ecology and taphonomy   Age range and collections

Spirifer (Spirisosium)

Rhynchonellata - Spiriferida - Spiriferidae

Taxonomy
Spirifer (Spirisosium) was named by de Gregorio (1930) [Sepkoski's age data: P Guad Sepkoski's reference number: 538].

It was reranked as Spirisosium by Muir-Wood and Cooper (1960), Williams et al. (2000) and Sepkoski (2002).

It was assigned to Spirifer by de Gregorio (1930); to Echinosteginae by Muir-Wood and Cooper (1960) and Williams et al. (2000); and to Strophomenida by Sepkoski (2002).

View classification of included taxa

Synonymy list
YearName and author
1930Spirifer (Spirisosium) de Gregorio
1960Spirisosium Muir-Wood and Cooper p. 109
2000Spirisosium Williams et al. p. 598
2002Spirisosium Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Eutriploblastica
Neotriploblastica
Eucoelomata
superphylumLophotrochozoa
Lophophorata
phylumBrachiopodaCuvier 1805
subphylumRhynchonelliformeaWilliams et al. 1996
RankNameAuthor
classRhynchonellataWilliams et al. 1996
orderSpiriferida
suborderSpiriferidina
superfamilySpiriferoidea()
familySpiriferidae
subfamilySpiriferinae
genusSpirifer
subgenusSpirisosiumde Gregorio 1930

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