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Paralenorthis rgaitensis

Rhynchonellata - Orthida - Orthidae

Taxonomy
Orthambonites rgaitensis was named by Nikitina (1985). Its type specimen is CNIGR 5/12093, a valve (Ventral valve), and it is a 3D body fossil. Its type locality is Near Talapta winter quarters, on Rgyata-Agalatas rivers interfluve, Kendyktas Mt, which is in a Llandeilo carbonate sandstone/siltstone in the Rgaity Formation of Kazakhstan.

It was recombined as Paralenorthis rgaitensis by Nikitina et al. (2006).

Sister species lacking formal opinion data
P. numerosa, P. vulgaris

Synonymy list
YearName and author
1985Orthambonites rgaitensis Nikitina p. 21 figs. pl. 1, figs 2–7
2006Paralenorthis rgaitensis Nikitina et al. pp. 193 - 194 fig. 30.4–9

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
—Lophophorata
—PanbrachiopodaCarlson and Cohen 2020
phylumBrachiopodaCuvier 1805
RankNameAuthor
subphylumRhynchonelliformeaWilliams et al. 1996
classRhynchonellataWilliams et al. 1996
orderOrthidaSchuchert and Cooper 1932
suborderOrthidinaSchuchert and Cooper 1932
superfamilyOrthoideaWoodward 1852
familyOrthidaeWoodward 1852
genusParalenorthisHavlicek and Branisa 1980
speciesrgaitensis()

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.

†Paralenorthis rgaitensis Nikitina 1985
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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: majorg
Spines: noneg
Internal reinforcement: noneg
Environment: marineuc
Locomotion: stationaryo
Attached: yeso
Life habit: epifaunalo
Diet: suspension feedero
Vision: blindc
Created: 2009-06-04 08:43:53
Modified: 2009-06-04 10:43:53
Source: g = genus, o = order, c = class, p = phylum, uc = unranked clade
References: Hendy 2009, Nesnidal et al. 2013, Aberhan et al. 2004

Age range: base of the Abereiddian to the top of the Llandeilo or 468.00000 to 458.20000 Ma

Collections (11 total)


Time interval Ma Country or state Original ID and collection number
Abereiddian468.0 - 461.1Kazakhstan Paralenorthis rgaitensis (165482 165486 165487 165488 165544 165549 165593 165594 165595 165597)
Llandeilo461.1 - 458.2Kazakhstan Orthambonites rgaitensis (type locality: 186017)