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Tinn & Meidla, 2002a

An enigmatic early ?palaeocope ostracode from the Arenig of NW Russia

Tinn, O., Meidla, T.
URL
Aasta2002
AjakiriActa Geologica Polonica
Köide47
Number4
Leheküljed685-690
Tüüpartikkel ajakirjas
Joonised1
Eesti autor
Keelinglise
Id2649

Abstrakt

The ostracode Lavachilina evae gen. et sp. nov. is described from the Arenig of Western Russia. Its carapace possesses a unique discontinuous velum, developed at both ends as a narrow spinose ridge. The systematic position of L. evae is uncertain. Its character set shows mostly palaeocope affinities but also some features of leiocopes. L. evae is tentatively assigned to the palaeocope family Oepikellidae, possibly representing an early member of that family. Although L. evae existed contemporaneously with palaeocopes such as Laccochilina, it does not appear to be closely related to these early eurychilinoids.

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