Eotripteroceras Temporal range: M
Ordovician
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Subfamily: | Michelinoceratinae
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Genus: | Eotripteroceras Flower, 1943
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Eotripteroceras is a smooth-shelled michelinocerin orthocerid from the middle Ordovician of the state of New York.
The shell of Eotripteroceras is a depressed orthocone with the underside (the venter) flatter than the upper (the dorsum). The siphuncle is below the center -as viewed in horizontal orientation- and is cylindrical in form. Both siphuncle and chambers are empty.
Eotripteroceras Temporal range: M
Ordovician
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---|---|
Scientific classification | |
Kingdom: | |
Phylum: | |
Class: | |
Subclass: | |
Order: | |
Superfamily: | |
Family: | |
Subfamily: | Michelinoceratinae
|
Genus: | Eotripteroceras Flower, 1943
|
Eotripteroceras is a smooth-shelled michelinocerin orthocerid from the middle Ordovician of the state of New York.
The shell of Eotripteroceras is a depressed orthocone with the underside (the venter) flatter than the upper (the dorsum). The siphuncle is below the center -as viewed in horizontal orientation- and is cylindrical in form. Both siphuncle and chambers are empty.