Sonninia (Euhoploceras) (ammonite)

Cephalopoda - Ammonitida - Sonniniidae

Alternative spelling: Euhoploceras

Synonyms: Nannoceras Buckman 1923, Sherbornites Buckman 1923, Stiphromorphites Buckman 1923

Parent taxon: Sonninia according to J. Sandoval 2022

See also Galácz 2015, Howarth 2013, Sepkoski 2002 and Westermann 1969

Sister taxa: Sonninia (Alaskinia), Sonninia (Papilliceras), Sonninia (Poecilomorphus), Sonninia (Sonninia), Sonninia deltafalcata

Subtaxa: Sonninia (Euhoploceras) adicra Sonninia (Euhoploceras) berckhemeri Sonninia (Euhoploceras) bifurcata Sonninia (Euhoploceras) nannomorpha Sonninia (Euhoploceras) playfordi Sonninia (Euhoploceras) polyacantha Stiphromorphites schucherti

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Ecology: fast-moving nektonic carnivore

Distribution:

• Jurassic of Australia (4 collections), Canada (12: British Columbia, Yukon), Chile (1), China (1), Hungary (2), Italy (1), Morocco (9), Saudi Arabia (4), the United Kingdom (1), United States (13: Alaska, California, Oregon)

Total: 48 collections including 66 occurrences

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