Cephalopoda - Ammonitida - Placenticeratidae
Synonyms: Diplacomoceras Hyatt 1900, Karamaiceras, Pseudoplacenticeras
Parent taxon: Placenticeratidae according to W. J. Kennedy 2018
See also Cobban and Hook 1983, Cobban and Kennedy 1992, Kennedy 1984, Kennedy 1995, Kennedy and Cobban 1991, Kennedy and Cobban 1993, Kennedy and Cobban 1994, Kennedy et al. 1997, Kennedy and Gale 2016, Kennedy and Kaplan 1995, Kennedy et al. 2008, Kennedy et al. 2001, Klinger and Kennedy 1989, Matsumoto and Skwarko 1991, Mosavinia et al. 2014, Sepkoski 2002, Summesberger 1979, Szives 2007, Wiedmann 1978 and Wright et al. 1996
Sister taxa: Baghiceratinae, Gissarites, Hengestites, Hoplitoplacenticeras, Karamaites, Metaplacenticeras, Proplacenticeras, Rapidoplacenticeratinae, Stantonoceras
Subtaxa: Placenticeras bidorsatum Placenticeras cumminsi Placenticeras fritschi Placenticeras intercalare Placenticeras kaffrarium Placenticeras kolbajense Placenticeras maherndli Placenticeras mediasiaticum Placenticeras memoriaschloenbachi Placenticeras orbignyanum Placenticeras paraplanum Placenticeras placenta Placenticeras polyopsis Placenticeras pseudoplacenta Placenticeras semiornatum Placenticeras syrtale Placenticeras tamulicum Placenticeras vancouverense Placenticeras vredenburgi Placenticeras whitfieldi
Type: Ammonites placenta
Ecology: fast-moving nektonic carnivore
Distribution:
• Cretaceous of Angola (3 collections), Argentina (1), Austria (4), Canada (10: Alberta, British Columbia, Saskatchewan), France (30), Germany (11), India (3), Iran (1), Kazakhstan (2), Mexico (6), Papua New Guinea (2), Poland (2), South Africa (15), Spain (2), United States (122: Alabama, Arizona, Arkansas, Colorado, Delaware, Georgia, Kansas, Maryland, Minnesota, Mississippi, Montana, New Jersey, New Mexico, North Carolina, South Dakota, Texas, Utah, Wyoming), Uzbekistan (1)
Total: 215 collections including 236 occurrences
Specimen images are retrieved through the ePANDDA API.
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