Richardsonoceras gerhardi Kröger et al. 2009 (mollusk)

Cephalopoda - Oncocerida - Oncoceratidae

Full reference: B. Kröger, Y. Zhang, and M. Isakar. 2009. Discosorids and Oncocerids (Cephalopoda) of the Middle Ordovician Kunda and Aseri Regional Stages of Baltoscandia and the early evolution of these groups. Geobios 42:273-293

Belongs to Richardsonoceras according to B. Kröger et al. 2009

Sister taxa: Richardsonoceras gastroscopium, Richardsonoceras goldmanni, Richardsonoceras haelluddenense, Richardsonoceras sinuososeptatum

Type specimen: NRM-PZ Mo 158419 and Mo 158411 (two fragments comprising one individual), a shell. Its type locality is Hälludden cliff section (upper part of Gillberga Fm.), which is in a Hunderum/Valaste deep subtidal shelf wackestone in the Gillberga Formation of Sweden.

Ecology: fast-moving nektobenthic carnivore

Distribution:

• Hunderum of Sweden (2 collections)

• Ordovician of Sweden (1)

Total: 3 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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