Orthoceras gradatum Gemmellaro 1889 (mollusk)

Cephalopoda - Orthocerida - Orthoceratidae

Full reference: G. G. Gemmellaro. 1889. La Fauna dei Calcari Con Fusulina della Valle del Fiume Sosio nella Provincia di Palermo, Fasc 2. Nautiloidea e Gastropoda. Giornale di Scienze Naturali e Economiche 20:97-182

Belongs to Orthoceras according to A. de Gregorio 1930

See also Gemmellaro 1889

Sister taxa: Orthoceras annulata, Orthoceras bisignatum, Orthoceras boeckhi, Orthoceras burgense, Orthoceras decrescens, Orthoceras dominans, Orthoceras elegantulum, Orthoceras eurekensis, Orthoceras expansum, Orthoceras fluminense, Orthoceras geinitzi, Orthoceras hulli, Orthoceras kingii, Orthoceras lentum, Orthoceras lepton, Orthoceras luhai, Orthoceras margaritatum, Orthoceras modestum, Orthoceras oehlerti, Orthoceras orientale, Orthoceras progressum, Orthoceras punjabiense, Orthoceras rachidium, Orthoceras randolphensis, Orthoceras siculum, Orthoceras spissiseptum, Orthoceras submoniliforme, Orthoceras subtriangulare, Orthoceras transversum, Orthoceras turritellum, Orthoceras vagum, Orthoceras vesiculosum, Orthoceras waageni, Orthoceratites, Orthoceros regularis

Ecology: nektonic carnivore

Average measurements (in mm): shell diameter 10.9

Distribution:

• Permian of Italy (3 collections)

Total: 3 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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