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Harpidium (Isovella)

Rhynchonellata - Pentamerida - Pentameridae

Taxonomy
Isovella was named by Breyvel and Breyvel (1970). It is not extant.

It was reranked as Harpidium (Isovella) by Williams et al. (2002).

It was assigned to Pentamerida by Sepkoski (2002); and to Harpidium by Williams et al. (2002).

Synonyms
Synonymy list
YearName and author
1970Isovella Breyvel and Breyvel
2002Apopentamerus Sepkoski
2002Isovella Sepkoski
2002Harpidium (Isovella) Williams et al. p. 976

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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
genusHarpidiumKirk 1925
subgenusIsovella(Breyvel and Breyvel 1970)

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. †Harpidium (Isovella) Breyvel and Breyvel 1970
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Invalid names: Apopentamerus [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitep
Entire body: yesg
Adult length: 10 to < 100g
Adult width: 10 to < 100g
Adult height: 10 to < 100g
Folds: noneg
Ribbing: noneg
Spines: noneg
Internal reinforcement: noneg
Environment: marineuc
Locomotion: stationaryo
Attached: yesp
Life habit: epifaunalo
Diet: suspension feedero
Vision: blindc
Created: 2009-06-04 12:14:59
Modified: 2009-06-04 14:14:59
Source: g = genus, o = order, c = class, p = phylum, uc = unranked clade
References: Hendy 2009, Nesnidal et al. 2013, Aberhan et al. 2004

Age range: base of the Telychian to the top of the Sheinwoodian or 438.60000 to 430.60000 Ma

Collections (25 total)


Time interval Ma Country or state Original ID and collection number
Llandovery443.1 - 432.9China (Guizhou) Harpidium muchuanensis (25792)
Llandovery443.1 - 432.9USA (Iowa) Harpidium maquoketa (26711 26712) Harpidium maquoketa, Harpidium sp. (26713)
Niagaran439.4 - 422.7USA (Indiana) Apopentamerus sp. (22818)
Telychian438.6 - 432.9China (Sichuan) Apopentamerus sp. (23253 23254)
Telychian438.6 - 432.9USA (Iowa) Harpidium maquoketa (25015 25016) Harpidium maquoketa, Harpidium sp. (26763)
Telychian - Sheinwoodian438.6 - 430.6Canada (Québec) Apopentamerus sp. (25162)
Sheinwoodian432.9 - 430.6USA (Wisconsin) Apopentamerus racinensis (13069)
Sheinwoodian - Homerian432.9 - 426.7USA (Wisconsin) Apopentamerus sp. (184874)
Wenlock432.9 - 426.7USA (Iowa) Harpidium luckeyensis (25017)
Wenlock432.9 - 426.7USA (California) Apopentamerus sp. (226732)
Wenlock432.9 - 426.7USA (Wisconsin) Apopentamerus racinensis (13001 13002 13012 13013 13014) Apopentamerus sp. (13353)
Wenlock - Ludlow432.9 - 422.7USA (Wisconsin) Apopentamerus sp. (26701 26707)
Wenlock - Silurian432.9 - 419.62USA (Wisconsin) Apopentamerus racinensis (13104 13107)