Eutrephoceras montanensis Kummel 1954 (nautiloid)

Cephalopoda - Nautilida - Nautilidae

Full reference: B. Kummel. 1954. Jurassic nautiloids from western North America. Journal of Paleontology 28:320-324

Belongs to Eutrephoceras according to B. Kummel 1956

See also Kummel 1954

Sister taxa: Eutrephoceras (Simplicioceras), Eutrephoceras ahltenense, Eutrephoceras alcesense, Eutrephoceras allani, Eutrephoceras allionii, Eutrephoceras altifrons, Eutrephoceras angolaense, Eutrephoceras antarcticum, Eutrephoceras astierianum, Eutrephoceras azraqensis, Eutrephoceras balcombensis, Eutrephoceras bellerophon, Eutrephoceras berryi, Eutrephoceras blanki, Eutrephoceras bouchardianum, Eutrephoceras burundukhajense, Eutrephoceras campbelli, Eutrephoceras carolinense, Eutrephoceras carolinensis, Eutrephoceras charpentieri, Eutrephoceras claramontanum, Eutrephoceras clementinum, Eutrephoceras dartevellei, Eutrephoceras darupense, Eutrephoceras decorum, Eutrephoceras dekayi, Eutrephoceras depressum, Eutrephoceras desertorum, Eutrephoceras donbassicum, Eutrephoceras dorbignyanum, Eutrephoceras douvillei, Eutrephoceras dubaleni, Eutrephoceras expansum, Eutrephoceras eyerdami, Eutrephoceras faxoense, Eutrephoceras flammeum, Eutrephoceras geelongensis, Eutrephoceras globosum, Eutrephoceras hacobjani, Eutrephoceras hallidayi, Eutrephoceras hannai, Eutrephoceras indicum, Eutrephoceras insigne, Eutrephoceras irritilasi, Eutrephoceras izumoensis, Eutrephoceras japonicus, Eutrephoceras johnsoni, Eutrephoceras jonesi, Eutrephoceras justum, Eutrephoceras kummeli, Eutrephoceras laverdei, Eutrephoceras lentiforme, Eutrephoceras leonei, Eutrephoceras marksi, Eutrephoceras merteni, Eutrephoceras montanaense, Eutrephoceras montmollini, Eutrephoceras moskvini, Eutrephoceras municeps, Eutrephoceras nodai, Eutrephoceras oregonense, Eutrephoceras parisiense, Eutrephoceras perlatus, Eutrephoceras planoventer, Eutrephoceras quadrilineatum, Eutrephoceras reesidei, Eutrephoceras rotundum, Eutrephoceras sloani, Eutrephoceras soyaense, Eutrephoceras spengleri, Eutrephoceras sphaericum, Eutrephoceras stephensoni, Eutrephoceras subfleuriausianum, Eutrephoceras sublaevigatum, Eutrephoceras subrotundum, Eutrephoceras tawaense, Eutrephoceras traubi, Eutrephoceras tumescens, Eutrephoceras umbilicare, Eutrephoceras urbanum, Eutrephoceras uzense, Eutrephoceras vastum, Eutrephoceras victorianum, Eutrephoceras waageni

Type specimen: USNM 158421, a shell. Its type locality is USGS Mesozoic 19170, Forest Grove, which is in a Callovian marine horizon in the Rierdon Formation of Montana.

Ecology: nektonic carnivore

Average measurements (in mm): shell diameter 203.0

Distribution:

• Jurassic of United States (7: Montana collections)

Total: 7 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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