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Strophomena planoconvexa

Strophomenata - Strophomenida - Strophomenidae

Taxonomy
Leptaena planoconvexa was named by Hall (1847) [Leptæna planoconvexa].

It was recombined as Strophomena planoconvexa by Foerste (1912).

Synonymy list
YearName and author
1847Leptaena planoconvexa Hall p. 114 figs. PL 31 B. Figs. 7 a, b, e, d.
1912Strophomena planoconvexa Foerste pp. 54 - 57 figs. pl. 1 f. 1 A-F; 2A- B

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
—Lophophorata
—PanbrachiopodaCarlson and Cohen 2020
phylumBrachiopodaCuvier 1805
RankNameAuthor
subphylumRhynchonelliformeaWilliams et al. 1996
classStrophomenataWilliams et al 1996
orderStrophomenidaOpik 1934
superfamilyStrophomenoideaKing 1846
familyStrophomenidaeKing 1846
subfamilyStrophomeninaeKing 1846
genusStrophomenaRafinesque and De Blainville 1824
speciesplanoconvexa()

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. Hall 1847Shell resupinate, sub-planoconvex, often distinctly inequilateral and oblique; ventral valve moderately convex; dorsal valve.tnearly fiat or slightly concave; cardinal line extended considerably beyond th«: widJh of the.shell, and ofteR produced into small acute ears; surface marked by rather coarse radiating strire, which bifurcate towards the margin of the shell; apex usually, and perhaps always, perforated; foramen closed; cardinal area narrow.
Measurements
No measurements are available
Composition: low Mg calcitep
Entire body: yesg
Adult length: 10 to < 100g
Adult width: 10 to < 100g
Adult height: 1.0 to < 10g
Folds: noneg
Ribbing: minorg
Spines: noneg
Internal reinforcement: noneg
Environment: marineuc
Locomotion: stationaryo
Attached: yesp
Life habit: epifaunalo
Diet: suspension feedero
Vision: blindc
Created: 2009-06-10 11:58:19
Modified: 2009-06-10 13:58:19
Source: g = genus, o = order, c = class, p = phylum, uc = unranked clade
References: Aberhan et al. 2004, Nesnidal et al. 2013, Hendy 2009

Age range: base of the Edenian to the top of the Maysvillian or 451.00000 to 449.60000 Ma

Collections (25 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Ordovician458.2 - 443.1USA (Ohio) Strophomena planoconvexa (77723 77819)
Late/Upper Ordovician458.2 - 443.1USA (Kentucky) Strophomena planoconvexa (77635)
Late/Upper Ordovician458.2 - 443.1USA (Indiana) Strophomena planoconvexa (78115)
Edenian451.0 - 450.2USA (Kentucky) Strophomena planoconvexa (73010 73018 73019 73020 73022 73023)
Edenian451.0 - 450.2USA (Ohio) Strophomena planoconvexa (77766)
Maysvillian450.2 - 449.6USA (Tennessee) Strophomena planoconvexa (5374)
Maysvillian450.2 - 449.6USA (Kentucky) Strophomena planoconvexa (72663 72665 72666 72667 72698 72705 72721 72752 73067 73068 73069 73071 73072)