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TF0107 Spondylus
Title
TF0107
Spondylus
Subject
Age
Cretaceous
Description
Stratigraphic Range
Triassic to present
Taxonomy
Phylum: Mollusca
Class: Bivalvia
Order: Pectinoida
Family: Spondylidae
Genus: Spondylus
Class: Bivalvia
Order: Pectinoida
Family: Spondylidae
Genus: Spondylus
Distinctive Features
Umbo
Ribs
Dorso-ventral symmetry
Two valves
Ribs
Dorso-ventral symmetry
Two valves
Preservation
Mineral replacement of shell
Advanced notes
Rarely for bivalves Spondylus articulates its valves using a ball and socket hinge, not a toothed hinge. It was spiny when alive (to discourage predators).
Citation
“TF0107
Spondylus,” 1A Collections, accessed April 9, 2024, https://wserv3.esc.cam.ac.uk/p1acollections/items/show/92.
Spondylus,” 1A Collections, accessed April 9, 2024, https://wserv3.esc.cam.ac.uk/p1acollections/items/show/92.