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Leptaena oklahomensis

Strophomenata - Strophomenida - Rafinesquinidae

Taxonomy
Leptaena oklahomensis was named by Amsden (1951). Its type specimen is USNM 115293 and is a 3D body fossil. Its type locality is Locality 13. Chimneyhill Creek Section, which is in a Gorstian carbonate limestone/shale in the Henryhouse Formation of Oklahoma.

Sister species lacking formal opinion data
L. dicax

Synonymy list
YearName and author
1951Leptaena oklahomensis Amsden p. 85 figs. pl. 16 f. 29-35

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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
familyRafinesquinidaeSchuchert 1893
subfamilyLeptaeninaeHall and Clarke 1894
genusLeptaenaDalman 1828
speciesoklahomensis

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.

†Leptaena oklahomensis Amsden 1951
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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: stationaryg
Attached: yesp
Life habit: epifaunalg
Diet: suspension feederg
Vision: blindc
Created: 2009-04-13 09:55:02
Modified: 2018-11-11 09:56:39
Source: g = genus, c = class, p = phylum, uc = unranked clade
References: Aberhan et al. 2004, Hendy et al. 2009, Nesnidal et al. 2013

Age range: base of the Gorstian to the top of the Pridoli or 426.70000 to 419.62000 Ma

Collections (22 total)


Time interval Ma Country or state Original ID and collection number
Gorstian426.7 - 425.0USA (Oklahoma) Leptaena oklahomensis (type locality: 170221)
Ludlow426.7 - 422.7USA (Oklahoma) Leptaena oklahomensis (26823 170245 170246)
Ludlow426.7 - 422.7USA (Missouri) Leptaena oklahomensis (26822)
Ludlow - Pridoli426.7 - 419.62USA (Oklahoma) Leptaena oklahomensis (170222 170225 170228 170238 170240 170241 170247 170248)
Ludfordian425.0 - 422.7USA (Oklahoma) Leptaena oklahomensis (170224)
Ludfordian - Pridoli425.0 - 419.62USA (Oklahoma) Leptaena oklahomensis (26824)
Pridoli422.7 - 419.62USA (Oklahoma) Leptaena oklahomensis (170226 170235 170243 170244 170254 170263 170264)