Cephalopoda - Ammonitida - Placenticeratidae
Alternative combination: Ammonites placenta
Belongs to Placenticeras according to W. J. Kennedy et al. 1997
See also Cobban and Hook 1983, Cobban and Kennedy 1992, Kennedy and Cobban 1993 and Kennedy and Cobban 1994
Sister taxa: Placenticeras bidorsatum, Placenticeras cumminsi, Placenticeras fritschi, Placenticeras kaffrarium, Placenticeras kolbajense, Placenticeras maherndli, Placenticeras mediasiaticum, Placenticeras memoriaschloenbachi, Placenticeras orbignyanum, Placenticeras paraplanum, Placenticeras polyopsis, Placenticeras pseudoplacenta, Placenticeras semiornatum, Placenticeras syrtale, Placenticeras tamulicum, Placenticeras vancouverense, Placenticeras vredenburgi, Placenticeras whitfieldi
Ecology: fast-moving nektonic carnivore
Distribution:
• Cretaceous of United States (27: Delaware, Maryland, Mississippi, New Jersey, North Carolina, Texas collections)
Total: 27 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.