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Leptaena (Leptaena)

Strophomenata - Strophomenida - Rafinesquinidae

Synonymy list
YearName and author
1828Leptaena (Leptaena) Dalman
2011Leptaena (Leptaena) Rubel

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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

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. †Leptaena (Leptaena) Dalman 1828
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†Leptaena (Leptaena) altera Rybnikova 1966
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Invalid names: Leptaena venzavensis Rybnikova 1966 [synonym]
†Leptaena (Leptaena) strandi Spjeldnaes 1957
†Leptaena (Leptaena) tenuistriata de Sowerby and Murchison 1839
†Leptaena (Leptaena) trifidum Marek and Havlíček 1967
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: Nesnidal et al. 2013, Hendy et al. 2009, Aberhan et al. 2004

Age range: base of the Marshbrookian to the top of the Lochkovian or 455.00000 to 410.80000 Ma

Collections (274 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Soudleyan - Marshbrookian458.4 - 454.0Norway (Oslo) Leptaena strandi (2762)
Idavere458.0 - 453.0Estonia (Lääne-Viru) Leptaena rugosoides (168405)
Turinian457.3 - 453.8USA (Virginia) Leptaena ordovicica (164197)
Mohawkian457.3 - 451.0USA (Nevada) Leptaena ordovicica (104572)
Ashbyan457.3 - 449.6USA (Alaska) Leptaena sp. (164853)
Blackriveran457.3 - 449.6USA (Pennsylvania) Leptaena ordovicica (162391)
Trentonian457.3 - 449.6USA (New York) Leptaena ordovicica (164925)
Longvillian - Marshbrookian457.2 - 454.0Norway Leptaena strandi (2763)
Burrellian456.6 - 452.5United Kingdom (Scotland) Leptaena diademata, Leptaena strandi (165050) Leptaena strandi (165043 165047)
Burrellian - Cheneyan456.6 - 451.3United Kingdom (Wales) Leptaena tenuistrata (173787) Leptaena ventricosa (173749)

Youngest occurrences
Time interval Ma Country or state PBDB collection number
Ludlow427.4 - 423.0Kazakhstan Leptaena depressa (23754)
Ludlow427.4 - 423.0Lithuania Leptaena depressa (195443)
Ludlow427.4 - 423.0Belarus Leptaena depressa (23658)
Ludlow427.4 - 423.0United Kingdom (England) Leptaena depressa (479)
Ludlow - Pridoli427.4 - 419.2Estonia Leptaena venzavensis (13733)
Ludfordian425.6 - 423.0United Kingdom (England) Leptaena depressa (8320 23111)
Ludfordian425.6 - 423.0Latvia Leptaena altera (192640)
Kaugetuma423.0 - 421.5Estonia Leptaena rhomboidalis (193120)
Paadla422.9 - 419.2Latvia Leptaena depressa (207252)
Lochkovian419.2 - 410.8Ukraine (Ternopil's'ka) Leptaena altera (170606)