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Orthoceratidae is an
extinct family of
actively mobile carnivorous cephalopods,
subclass Nautiloidea, that
lived in what
would be
North America, Europe...
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important in
classification of nautiloids. In some nautiloids, such as the
Orthoceratidae, the
septa tend to be
widely spaced,
resulting in large, long camarae...
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Animalia Phylum:
Mollusca class:
Cephalopoda Order: †Orthocerida Family: †
Orthoceratidae Genus: †Orthoceras Bruguière, 1789 Species: †O. regulare
Binomial name...
- central, and
chambers somewhat long. Note that Flower, 1976,
regarded the
Orthoceratidae and
Geisonoceratidae as
forming a
continuous series,
indivisible into...
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Trematoceras is
included in the Michelinoceratinae, a
subfamily of the
Orthoceratidae Trematoceras has a slender,
subcylindrical s**** with a
bluntly pointed...
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Ordovician (Katian)
Adila Formation Estonia A
member of the
family Orthoceratidae.
Wennanoceras remotum Sp. nov Song et al.
Ordovician China Wutinoceras...
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Baltoceratidae Clinoceratidae Engorthoceratidae Geisonoceratidae Lamellorthoceratidae Orthoceratidae Proteoceratidae Stereoplasmoceratidae Paraphragmitidae...
- 293–300,
March 1976 Sweet, W.C, 1964; Michelinoceras, pp 225–226 in
Orthoceratidae, pp 224–231 in the
Treatise on
Invertebrate Paleontology Vol K. GSA...
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Aethiosolen is a
genus of
orthocerids in the
family Orthoceratidae with an
annulated orthoconic s****. Annuli,
transverse elevations on the s****, are...
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Upper Tri****ic.
Eleven families were included,
among which are the
Orthoceratidae, Troedssonellidae, Dawsonoceratidae, and Paraphragmitidae. With the...
