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Leptaena (Leptaena) valentia

Strophomenata - Strophomenida - Rafinesquinidae

Taxonomy
Leptaena valentia was named by Cocks (1968). Its type specimen is B 73340, a valve (Pedicle valve), and it is a 3D body fossil.

It was recombined as Leptaena (Leptaena) valentia by Cocks (2008).

Sister species lacking formal opinion data
L. dicax

Synonymy list
YearName and author
1968Leptaena valentia Cocks pp. 307 - 308 figs. pl. 8, figs 1-8
1970Leptaena valentia Temple p. 44 figs. pl. 12, figs 1- 10
1995Leptaena valentia Baarli pp. 38 - 39 figs. pl. 12, figs 1-4
2008Leptaena (Leptaena) valentia Cocks p. 72 figs. Pl. 2, figs 9-12

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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
subgenusLeptaenaDalman 1828
speciesvalentia()

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
L. R. M. Cocks 1968Large Leptaena with sub-parallel muscle bounding ridges.
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: Hendy et al. 2009, Aberhan et al. 2004, Nesnidal et al. 2013

Age range: base of the Rhuddanian to the top of the Aeronian or 443.40000 to 438.50000 Ma

Collections (5 total)


Time interval Ma Country or state Original ID and collection number
Rhuddanian443.4 - 440.8United Kingdom (Wales) Leptaena valentia (8409)
Llandovery443.4 - 433.4United Kingdom (Wales) Leptaena valentia (3207)
Llandovery443.4 - 433.4Venezuela Leptaena valentia (25068)
Aeronian440.8 - 438.5Norway Leptaena valentia (13849)
Aeronian440.8 - 438.5United Kingdom (Scotland) Leptaena valentia (153465)