ammonites
banner
Gateway to the Paleobiology Database
Placenticeras paraplanum Wiedmann 1978 (ammonite)

Cephalopoda - Ammonitida - Placenticeratidae

PaleoDB taxon number: 340992

Full reference: J. Wiedmann. 1978. Eine paläontologisch interessante Ammonitenfaunula aus der alpinen Gosau (Santon, Becken von Gosau, Oberösterreich). Eclogae Geologicae Helvetiae 71:663-675

Belongs to Placenticeras according to W. J. Kennedy 1995

Sister taxa: Placenticeras bidorsatum, Placenticeras californicum, Placenticeras cumminsi, Placenticeras fritschi, Placenticeras grossouvrei, Placenticeras kaffrarium, Placenticeras kolbajense, Placenticeras maherndli, Placenticeras mediasiaticum, Placenticeras memoriaschloenbachi, Placenticeras orbignyanum, Placenticeras pacificum, Placenticeras placenta, Placenticeras polyopsis, Placenticeras pseudoplacenta, Placenticeras sanctaemonicae, Placenticeras semiornatum, Placenticeras syrtale, Placenticeras tamulicum, Placenticeras vredenburgi, Placenticeras whitfieldi

Type specimen: Its type locality is Pass Gschütt (Gapp collection), which is in a Santonian shallow subtidal shale in the Hochmoos Formation of Austria

Ecology: fast-moving nektonic carnivore

Average measurements (in mm): shell width 25.5, shell diameter 85.6