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Paleozoic Fossil Gallery - Nautiloid

Mollusca, Cephalopoda, Nautilida

(Phylum, Class, Order)

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Red text = needs information

Fossil identification by Jo Cox unless otherwise noted

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Orthochoanites, ?

(Suborder, Family)

Domatoceras umbilicatum

Period: Permian

Location: Callahan Co., near Baird, Texas

Collection: Abilene Christian University Natural History Collection

Size: 73 mm long

Domatoceras umbilicatum 1a.jpg (174200 bytes)   Domatoceras umbilicatum 1b.jpg (167801 bytes)

#1 Domatoceras sp.jpg (133439 bytes)    #2 Domatoceras 2.gif (96509 bytes)

drawing #1 taken from book: Index fossils of North America

drawing #2 taken from web page: www.kgs.ukans.edu/Extension/fossils/ammonoid.html

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Cyrtochoanites, Sactoceratidae

(Suborder, Family)

"orthocone"= straight nautiloid

Dolorthoceras ciscoense

Period: Pennsylvanian

Group: Cisco

Location: north of Cisco, Texas

Collection: Jo Cox

Size: ? mm long

Dolorthoceras ciscoense 1a.jpg (576258 bytes)   Dolorthoceras ciscoense 1b.jpg (289283 bytes)

 

Euloxoceras greeni

Period: Pennsylvanian

Group: Cisco

Location: north of Cisco, Texas

Collection: Jo Cox

Size: ? mm long

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