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Trigonotreta australis

Rhynchonellata - Spiriferida - Trigonotretidae

Taxonomy
Spirifer australis was named by Bion (1928) [Spirifer stokesi var. australis].

It was recombined as Trigonotreta australis by Waterhouse (1987).

Synonymy list
YearName and author
1928Spirifer australis Bion p. 30
1987Trigonotreta australis Waterhouse p. 17 figs. Pl 3, figs 14,18-20; pl 4, figs 1-6

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
Lophophorata
PanbrachiopodaCarlson and Cohen 2020
phylumBrachiopodaCuvier 1805
RankNameAuthor
subphylumRhynchonelliformeaWilliams et al. 1996
classRhynchonellataWilliams et al. 1996
orderSpiriferida
suborderSpiriferidina
superfamilySpiriferoidea()
familyTrigonotretidae
subfamilyTrigonotretinae
genusTrigonotreta
speciesaustralis(Bion 1928)

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.

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Diagnosis
ReferenceDiagnosis
J. B. Waterhouse 1987Transverse shells with well formed plicae and high primary costae, well defined concentric growth lamellae, fold high with narrow crest, adminicula short and well spaced, ventral muscle field broad