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Morphology Ecology and taphonomy   Age range and collections

Hirnantia

Rhynchonellata - Orthida - Draboviidae

Synonyms
Synonymy list
YearName and author
1935Hirnantia Lamont
1975Hirnantia Hints p. 313
1977Hirnantia Mitchell
2000Hirnantia Williams et al. p. 826
2002Hirnantia Sepkoski, Jr.
2002Villicundella Sepkoski, Jr.
2012Hirnantia Hints et al.
2015Hirnantia Hints and Harper

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Eutriploblastica
Neotriploblastica
Eucoelomata
superphylumLophotrochozoa
Lophophorata
phylumBrachiopodaCuvier 1805
RankNameAuthor
subphylumRhynchonelliformeaWilliams et al. 1996
classRhynchonellataWilliams et al. 1996
orderOrthidaSchuchert and Cooper 1932
suborderDalmanellidinaMoore 1952
superfamilyEnteletoideaWaagen 1884
familyDraboviidaeHavlicek 1950
subfamilyDraboviinaeHavlicek 1950
genusHirnantiaLamont 1935

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
ReferenceDiagnosis
L. Hints 1975A genus closely allied to Fardenia, but differing in having simple cardinal process, markedly greater convexity of dorsal valve, and radii of nearly equal calibre. The last two characters would only necessitate specific separation from Fardenia scotica, but the first is taken as requiring generic recognition.