Cyclolobidae: Goniatitid Ammonoidea belonging to the Cycloloboidea with thickly discoidal to subglobular shells with a small but open umbilicus and ammonitic sutures with numerous lobes that have subparallel sides.
| Cyclolobidae Temporal range:
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|---|---|
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| Cyclolobus walkeri | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Subclass: | †Ammonoidea |
| Order: | †Goniatitida |
| Superfamily: | †Cycloloboidea |
| Family: | †Cyclolobidae Schindewolf, 1931 |
The Cyclolobidae is one of three families of the Superfamily Cyclolobaceae; an extinct group of ammonoid cephalopods from the Late Paleozoic
References
edit- Miller, A.K., Furnish, & Schindewolf. Paleozoic Ammonoidea in the Treatise on Invertebrate Paleontology, Part L, Ammonoidea. Geol Soc of Amererica and Univ of Kansas press; R,C. Moore,(ed).
- The Paleobiology Database 10/01/07
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