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Leptaena

Strophomenata - Strophomenida - Rafinesquinidae

Taxonomy
Leptaena was named by Dalman (1828). Its type is Leptaena rugosa.

It was assigned to Strophomenidae by Raymond (1911); to Rafinesquininae by Oraspold (1956); to Leptaenidae by Mitchell (1977), Owen and Harper (1982), Temple (1987), Villas and Cocks (1996), Jin and Chatterton (1997); to Strophomenida by Sepkoski (2002); to Rafinesquinidae by Musteikis and Cocks (2004), Congreve et al. (2015); and to Leptaeninae by Bassett and Cocks (1974), Williams et al. (2000), Cocks (2005), Cocks (2010), Rubel (2011), Hints and Harper (2015).

Species
Kurnamena acuta, Kurnamena laterorugata, Kurnamena palmrei, Kurnamena rugosoides, Kurnamena spumifera, Kurnamena taxilla, L. (Leptaena), L. (Ygdrasilomena), L. acuticuspidata, L. aequalis, L. alliku, L. amelia, L. analogaeformis, L. arberae, L. argentina, L. borghiana, L. boyaca, L. contermina, L. convexa, L. cooperi, L. croma, L. crypta, L. cryptoides, L. dejecta, L. delicata, L. electra, L. ennessbe, L. fremonti, L. gibbosa, L. holcrofti, L. indigena, L. ingrica, L. kentuckiana, L. lappa, L. lappina, L. lemniscata, L. limbifera, L. minuta, L. moniquensis, L. nanaformis, L. nassichuki, L. odeon, L. oklahomensis, L. orhor, L. parvirugata, L. parvissima, L. paucirugata, L. poulseni, L. praequalis, L. provellerosa, L. purpurea, L. quadrata, L. rara, L. rhomboidalis, L. richmondensis (syn. L. precursor), L. rugaurita, L. rugosa (syn. L. (Leptaena) martinensis) (type species), L. salopiensis, L. semiradiata, L. sperion, L. tenuissimestriata, L. valida, L. veldrensis, L. vellerosa, L. ventricosa, L. ventricosa, L. wesenbergensis, L. zeta, L. ziegleri, Leptaenopoma trifidium, Orhoria lappa, Orhoria lappina, Similoleptaena crassorugata, Similoleptaena friedrichi, Similoleptaena pertenuis, Similoleptaena planitia, Similoleptaena tarwanpensis, Similoleptaena undosa
Species lacking formal opinion data
L. dicax

Synonyms
Synonymy list
YearName and author
1828Leptaena Dalman
1911Leptaena Raymond
1956Leptaena Oraspold
1967Leptaenopoma Marek and Havlíček p. 282
1974Leptaena Bassett and Cocks
1977Leptaena Mitchell
1982Leptaena Owen and Harper
1987Leptaena Temple p. 75
1989Kurnamena Roomusoks p. 114
1989Similoleptaena Roomusoks p. 114
1990Orhoria Havlicek and Storch pp. 73 - 74
1996Leptaena Villas and Cocks p. 579
1997Leptaena Jin and Chatterton
2000Leptaena Williams et al. p. 241
2002Leptaena Sepkoski
2002Leptaenopoma Sepkoski
2002Turgenostrophia Sepkoski
2004Leptaena Musteikis and Cocks
2004Kurnamena Roomusoks
2004Similoleptaena Roomusoks
2005Leptaena Cocks
2010Leptaena Cocks
2011Leptaena Rubel
2015Leptaena Congreve et al.
2015Leptaena Hints and Harper

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
—Lophophorata
—PanbrachiopodaCarlson and Cohen 2020
RankNameAuthor
phylumBrachiopodaCuvier 1805
subphylumRhynchonelliformeaWilliams et al. 1996
classStrophomenataWilliams et al 1996
orderStrophomenidaOpik 1934
superfamilyStrophomenoideaKing 1846
familyRafinesquinidaeSchuchert 1893
subfamilyLeptaeninaeHall and Clarke 1894
genusLeptaenaDalman 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.

G. †Leptaena Dalman 1828
show all | hide all
†Conchita rhomboidalis Wahlenberg 1818
Subg. †Leptaena (Leptaena) Dalman 1828
+
†Leptaena (Leptaena) altera Rybnikova 1966
+
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
†Leptaena acuticuspidata Amsden 1958
†Leptaena aequalis Amsden 1974
†Leptaena alliku Oraspold 1956
†Leptaena amelia Havlicek 1967
†Leptaena analogaeformis Biernat 1966
†Leptaena arberae Kelly 1967
†Leptaena argentina Thomas 1905
†Leptaena borghiana Mergl and Massa 1992
†Leptaena boyaca Caster 1939
†Leptaena contermina Cocks 1968
†Leptaena convexa Weller 1914
†Leptaena cooperi Easton et al. 1958
†Leptaena croma Havlicek and Storch 1990
†Leptaena crypta Öpik 1930
†Leptaena cryptoides Oraspold 1956
†Leptaena dejecta Baarli 1995
†Leptaena delicata Amsden 1949
†Leptaena electra Havlicek 1967
†Leptaena ennessbe Spjeldnaes 1957
†Leptaena fremonti Merriam 1973
†Leptaena gibbosa James 1874
†Leptaena holcrofti Bassett 1974
†Leptaena indigena Spjeldnaes 1957
†Leptaena ingrica Roomusoks 2004
†Leptaena kentuckiana Pope 1982
†Leptaena lappa Havlicek and Storch 1990
†Leptaena lappina Havlicek and Storch 1990
†Leptaena lemniscata Havlicek 1967
†Leptaena limbifera Havlicek 1967
†Leptaena minuta Kiaer 1926
†Leptaena moniquensis Foerste 1924
†Leptaena nanaformis Zhang et al. 1983
†Leptaena nassichuki Smith 1980
†Leptaena odeon Havlicek 1967
†Leptaena oklahomensis Amsden 1951
†Leptaena orhor Havlicek and Storch 1990
†Leptaena parvirugata Hoel 2005
†Leptaena parvissima Ivanovskii and Kulkov 1974
†Leptaena paucirugata Roomusoks 1989
†Leptaena poulseni Kelly 1967
†Leptaena praequalis Rozman 1977
†Leptaena provellerosa Havlicek and Storch 1990
†Leptaena purpurea Cocks 1968
†Leptaena quadrata Bancroft 1949
†Leptaena rara Alekseeva and Erlanger 1983
†Leptaena rhomboidalis Wahlenberg 1818
†Leptaena richmondensis Foerste 1909
+
Invalid names: Leptaena precursor Foerste 1909 [synonym]
†Leptaena rugaurita Havlicek 1967
†Leptaena rugosa Dalman 1828
+
Invalid names: Leptaena (Leptaena) martinensis Cocks 1968 [synonym]
†Leptaena salopiensis Williams 1963
†Leptaena semiradiata Sowerby 1842
†Leptaena sperion Bassett 1977
†Leptaena valida Bancroft 1949
†Leptaena veldrensis Spjeldnaes 1957
†Leptaena vellerosa Havlicek 1967
†Leptaena ventricosa Hall 1857
†Leptaena ventricosa Williams 1963
†Leptaena wesenbergensis Alichova 1954
†Leptaena zeta Lamont 1947
†Leptaena ziegleri Cocks 1968
Invalid names: Kurnamena Roomusoks 1989 [synonym], Leptaenopoma Marek and Havlíček 1967 [synonym], Orhoria Havlicek and Storch 1990 [synonym], Similoleptaena Roomusoks 1989 [synonym], Turgenostrophia [synonym]
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
Comments: LIFE HISTORY: Unattached, epifaunal, suspension-feeder (McKerrow, 1979). BODY SIZE: Data from Williams et al. (2000).g
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, Aberhan et al. 2004, Hendy et al. 2009

Age range: base of the Turinian to the top of the Asbian or 457.30000 to 335.90000 Ma

Collections (1421 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Dobrotivian - Berounian461.0 - 450.1France L. sp. (21007)
Dobrotivian - Berounian461.0 - 450.1France (Montagne Noire) L. sp. (21005)
Costonian458.2 - 457.2United Kingdom (Wales) L. sp. (3371)
Soudleyan458.2 - 457.2United Kingdom (England) L. sp. (3302 3303)
Soudleyan458.2 - 457.2United Kingdom (Wales) L. sp. (3301 3362) L. ventricosa (43637 43639 188588 188589 192387)
Soudleyan458.2 - 457.2United Kingdom (Shropshire) L. ventricosa (46883 46884 46891 46892 46893)
Soudleyan458.2 - 457.2Ireland (Leinster) L. sp. (55671)
Soudleyan - Marshbrookian458.2 - 454.0Norway (Oslo) L. strandi (2762)
Soudleyan - Marshbrookian458.2 - 454.0China (Shaanxi) L. sp. (8533)
Soudleyan - Marshbrookian458.2 - 454.0Norway L. sp. (2945 2947 2948)

Youngest occurrences
Time interval Ma Country or state PBDB collection number
Kinderhookian358.86 - 351.9USA (Utah) L. sp. (547) L. sp. "rhomboidalis" (218919)
Kinderhookian358.86 - 351.9Canada (Yukon) L. sp. (546)
Kinderhookian358.86 - 351.9USA (Montana) L. sp. (545 7314)
Early/Lower Mississippian358.86 - 346.7USA (California) L. sp. (226798)
Kinderhookian - Osagean358.86 - 342.9USA (Utah) L. sp. (13361)
Kinderhookian - Osagean358.86 - 342.9Mexico (Sonora) L. cooperi (5616)
Osagean351.9 - 342.9USA (Utah) L. sp. (549)
Osagean351.9 - 342.9USA (Indiana) L. convexa (6670)
Osagean351.9 - 342.9USA (Montana) L. sp. (555 564)
Asbian339.9 - 335.9Australia (New South Wales) L. sp. (133349)