Phylloceras contrarium Imlay and Jones 1970 (ammonite)

Cephalopoda - Phylloceratida - Phylloceratidae

Full reference: R. W. Imlay and D. L. Jones. 1970. Ammonites from the Buchia zones in northwestern California and southwestern Oregon. United States Geological Survey Professional Paper 647-B:B1-B59

Belongs to Phylloceras according to R. W. Imlay and D. L. Jones 1970

Sister taxa: Phylloceras (Geyeroceras), Phylloceras (Goretophylloceras), Phylloceras (Gyrophylloceras), Phylloceras (Hypophylloceras), Phylloceras (Phylloceras), Phylloceras (Triphyllites), Phylloceras album, Phylloceras asperaense, Phylloceras bakeri, Phylloceras burckhardti, Phylloceras cylindricoides, Phylloceras doderleinianum, Phylloceras duodecimsulcatum, Phylloceras empedoclis, Phylloceras gargantuum, Phylloceras glennense, Phylloceras guettardi, Phylloceras haloricum, Phylloceras hebertinum, Phylloceras hebertinus, Phylloceras heterophyllum, Phylloceras insulare, Phylloceras isotypum, Phylloceras knoxvillense, Phylloceras kudernatschi, Phylloceras kunthi, Phylloceras lipoldi, Phylloceras lodaiense, Phylloceras meneghinii, Phylloceras micipsa, Phylloceras nilsoni, Phylloceras occiduale, Phylloceras persanense, Phylloceras praeposterium, Phylloceras psilomorphum, Phylloceras rouyanum, Phylloceras saxonicum, Phylloceras semistriatum, Phylloceras semisulcatum, Phylloceras seresitense, Phylloceras serum, Phylloceras shastalense, Phylloceras subplicatius, Phylloceras supraliasicum, Phylloceras timothyi, Phylloceras trifoliatum, Phylloceras velaini, Phylloceras vicarum

Type specimen: USNM 158804. Its type locality is USGS Mesozoic loc. 29493, small tributary of Heifer Camp Creek, which is in a Tithonian marine horizon in California.

Ecology: nektonic carnivore

Distribution:

• Jurassic of United States (4: California collections)

Total: 4 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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