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Rhipidium (Rhipidium)

Rhynchonellata - Pentamerida - Pentameridae

Discussion

Unclear what the proper authority of the subgenus is. Boucot and Johnson (1979) created subgenera R. (Ectorhipidium) and R. (Pararhipidium), implying the creation of a nominal subgenus for other species.

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Taxonomy
Rhipidium (Rhipidium) was named by Boucot and Johnson (1979). Its type is Pentamerus knappi.

It was assigned to Rhipidium by Boucot and Johnson (1979).

Species lacking formal opinion data
Entered
by P. Novack-Gottshall on 2025-09-08; modified by P. Novack-Gottshall on 2025-09-08

Synonymy list
YearName and author
1979Rhipidium (Rhipidium) Boucot and Johnson

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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
orderPentameridaSchuchert and Cooper 1931
suborderPentameridinaSchuchert and Cooper 1931
superfamilyPentameroideaMcCoy 1844
familyPentameridae
genusRhipidiumSchuchert and Cooper 1931
subgenusRhipidiumBoucot and Johnson 1979

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.

Subg. †Rhipidium (Rhipidium) Boucot and Johnson 1979
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Rhipidium (Rhipidium) knappi Hall and Whitfield 1872
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitep
Entire body: yesf
Adult length: 10 to < 100g
Adult width: 10 to < 100g
Adult height: 10 to < 100g
Folds: noneg
Ribbing: minorg
Spines: noneg
Internal reinforcement: noneg
Environment: marineuc
Locomotion: stationaryo
Attached: yesp
Life habit: epifaunalo
Diet: suspension feedero
Vision: blindc
Created: 2009-06-04 12:19:36
Modified: 2009-06-04 14:19:36
Source: g = genus, f = family, o = order, c = class, p = phylum, uc = unranked clade
References: Hendy 2009, Nesnidal et al. 2013, Aberhan et al. 2004

Age range: Wenlock or 432.90000 to 426.70000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Wenlock432.9 - 426.7USA (Iowa) Rhipidium sp. (25034)