Echinoidea - Irregularia - Tithoniidae

Alternative combination: Metaporinus (Tithonia) praeconvexa

Full reference: W. Jesionek-Szymanska. 1963. Échinides irréguliers du Dogger de Pologne. Acta Palaeontologica Polonica 8:293-414

Belongs to Tithonia according to C. Gaillard et al. 2011

See also Jesionek-Szymanska 1963

Sister taxa: Tithonia berriasensis, Tithonia convexa, Tithonia exile, Tithonia munsteri, Tithonia oxfordiana, Tithonia transversa

Type specimen: Its type locality is Wiek quarry, Ogrodzieniec, which is in a Callovian marine horizon in Poland

Distribution: found only at Wiek quarry, Ogrodzieniec

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Specimen images are retrieved through the ePANDDA API.