Cephalopoda - Dissidocerida - Geisonoceratidae

Full reference: B. Kröger. 2008. Nautiloids before and during the ammonoid origin in a Siluro–Devonian section of the Tafilalt (Morocco). Special Papers in Palaeontology 79:1-110

Parent taxon: Geisonoceratidae according to B. Kröger 2008

Sister taxa: Columenoceras, Geisonoceras, Geisonocerina, Harrisoceras, Joachimoceras, Jonesoceras, Nilssonoceras, Ordogeisonoceras, Protokionoceras, Striacoceras, Temperoceras, Ugooloceras, Virgoceras

Subtaxa: Angeisonoceras consocium Angeisonoceras davidsoni Angeisonoceras festians Angeisonoceras imminutum Angeisonoceras inchoatum Angeisonoceras libens Angeisonoceras limatum Angeisonoceras reteornatum Angeisonoceras squamatulum

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Type: Orthoceras davidsoni

Ecology: fast-moving nektonic carnivore

Distribution: found only at Filon Douze Tafilalt bed KMO-II (Devonian of Morocco)

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Specimen images are retrieved through the ePANDDA API.