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Bryozoa; Massive Form
Images: 
By sixgill pete
Taxonomy
Bryozoa
Kingdom: Animalia
Phylum: Bryozoa
Class: Gymnolaemata
Order: Cheilostomata
Family: Smittinidae
Genus: Parasmittina
Species: Parasmittina collum
Author Citation (Canu & Bassler, 1920)
Geological Time Scale
Eon: Phanerozoic
Era: Cenozoic
Period: Paleogene
Sub Period: None
Epoch: Eocene
International Age: Priabonian
Stratigraphy
Castle Hayne Formation
Comfort Member
Provenance
Collector: Don Rideout
Date Collected: 12/20/2016
Acquired by: Field Collection
Dimensions
Diameter: 26
Location
Martin Marieta Quarry Castle Hayne
New Hanover County
North Carolina
United States
Comments
This is a common find at this particular quarry, this one P. collum has encrusted what appears to be a Chlamys cookei bivalve.
After deciding to add this bryozoa, I had to do a lot of research. What I found is that I really knew nothing about bryozoans. I had always believed this to be an encrusting type bryozoa. Well, I found this species is one of the massive type byozoans. It initially encrusts the host, but then it builds layer upon layer, hence making it a massive form.
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