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Strophomena trilobata

Strophomenata - Strophomenida - Strophomenidae

Taxonomy
Leptaena trilobata was named by Owen (1852). Its type specimen is USNM 17875, a shell, and it is a 3D body fossil. Its type locality is Near the Agency, Turkey River, which is in a Shermanian carbonate limestone in the Cummingsville Formation of Iowa.

It was recombined as Strophomena trilobata by Miller (1877); it was misspelled as Strophomena trilobita by Rice and Hedblom (1987).

Synonymy list
YearName and author
1852Leptaena trilobata Owen p. 584 figs. pl. 2, figs. 17,18
1877Strophomena trilobata Miller p. 138
1987Strophomena trilobita Rice and Hedblom

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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
speciestrilobata()

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.

†Strophomena trilobata Owen 1852
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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: 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, Hendy 2009, Nesnidal et al. 2013

Age range: base of the Chatfieldian to the top of the Maysvillian or 453.80000 to 449.60000 Ma

Collections (18 total)


Time interval Ma Country or state Original ID and collection number
Shermanian457.3 - 449.6USA (Minnesota) Strophomena trilobata (23092) Strophomena trilobita (23279)
Shermanian457.3 - 449.6USA (Iowa) Leptaena trilobata (type locality: 169537)
Shermanian457.3 - 449.6USA (Illinois, Iowa) Strophomena trilobita (23802 23803 23804 23805 23806)
Chatfieldian453.8 - 451.0Canada (Ontario) Strophomena trilobita (185260)
Edenian451.0 - 450.2USA (Minnesota) Strophomena trilobita (23280 23281)
Edenian451.0 - 450.2USA (Illinois, Iowa) Strophomena trilobita (23807 23808 23809)
Edenian - Maysvillian451.0 - 449.6USA (Minnesota) Strophomena trilobita (23282)
Edenian - Maysvillian451.0 - 449.6USA (Illinois, Iowa) Strophomena trilobita (23810)
Maysvillian450.2 - 449.6USA (Minnesota) Strophomena trilobita (23283)
Maysvillian450.2 - 449.6USA (Illinois, Iowa) Strophomena trilobita (23811)