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TF0327 Heteromorphic ammonite
Title
TF0327
Heteromorphic ammonite
Description
Species
Scaphites
Stratigraphic Range
Cretaceous
Taxonomy
Phylum: Mollusca
Class: Cephalopoda
Subclass: Ammonoidea
Order: Ammonitida
Class: Cephalopoda
Subclass: Ammonoidea
Order: Ammonitida
Distinctive Features
'g' shaped coiled shell
Ribs
Involute
Ammonitic suture lines
Ribs
Involute
Ammonitic suture lines
Preservation
Internal mould
Advanced notes
Heteromorphic ammonites (such as Scaphites) diversified during the late Cretaceous. They may have lived as planktonic or benthic organisms depending on where the centre of gravity lies in the shell, which is much dependent on the soft parts. Sadly these soft parts rarely preserve.
Citation
“TF0327
Heteromorphic ammonite,” 1A Collections, accessed April 9, 2024, https://wserv3.esc.cam.ac.uk/p1acollections/items/show/69.
Heteromorphic ammonite,” 1A Collections, accessed April 9, 2024, https://wserv3.esc.cam.ac.uk/p1acollections/items/show/69.