Cephalopoda - Ammonitida - Sonniniidae

Alternative combinations: Ammonites (Dorsetensia) clarkei, Fontannesia clarkei

Synonyms: Dorsetensia etheridgei Whitehouse 1924, Fontannesia whitehousei Arkell 1954

Full reference: G. C. Crick. 1894. On a collection of Jurassic Cephalopoda from Western Australia - obtained by Harry Page Woodward, F.G.S., government geologist - with descriptions of the species. The Geological Magazine, New Series, Decade IV 1:385-393

Belongs to Newmarracarroceras according to R. L. Hall 1989

See also Arkell 1954 and Crick 1894

Sister taxon: Newmarracarroceras fairbridgei

Type specimens:

• Newmarracarroceras clarkei: Its type locality is Champion Bay, which is in a Bajocian carbonate limestone in the Newmarracarra Limestone Formation of Australia
• Dorsetensia etheridgei:
• Fontannesia whitehousei:

Ecology: fast-moving nektonic carnivore

Average measurements (in mm): shell diameter 60.0

Distribution:

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Specimen images are retrieved through the ePANDDA API.