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Leptaena praequalis

Strophomenata - Strophomenida - Rafinesquinidae

Taxonomy
Leptaena praequalis was named by Rozman (1977). Its type specimen is GIN 4534/151, a shell, and it is a 3D body fossil. Its type locality is Tsagaan Del Unit 3. Right bank of Buriduin-Gol River, 4 km NE of Bor-kuduk well, which is in a Katian carbonate limestone in the Tsagaan Del Formation of Mongolia.

Sister species lacking formal opinion data

Synonymy list
YearName and author
1977Leptaena praequalis Rozman pp. 345 - 346 figs. pl. 6 f. 4-10
2009Leptaena praequatis Ariunchimeg fig. 1

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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
speciespraequalis

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 praequalis Rozman 1977
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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, Nesnidal et al. 2013, Hendy et al. 2009

Age range: Katian or 453.00000 to 445.20000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Katian453.0 - 445.2Mongolia (Bayanhongor) Leptaena praequalis (79589 type locality: 170488)