Hallopora, a fossil bryozoan from Tennessee, USA - ROM2004_982_9

Bryozoan fossil, Hallopora sp., collected 2001

Hallopora, a fossil bryozoan from Tennessee, USA

    • Attributes
    • Objects
    • Taxonomy
    • KingdomAnimalia
    • PhylumBryozoa
    • ClassGymnolaemata
    • OrderTrepostomata
    • FamilyHalloporidae
    • GenusHallopora
Object number: ROMIP54216-43915
Not on view
DescriptionBryozoans, or “moss animals”, are colonial sea animals. They collectively build elegant mineralized “skeletons” that are occupied by thousands of tiny individuals (called zooids). These colonies could take several forms—delicate branching structures (such as this example), domed mounds, or flat lacy encrustations on a hard surface (such as the shell of another invertebrate). It is unusual to find complete complex skeletons like this one. They are usually broken up into numerous twig-like fragments. Bryozoans have a very good fossil record, and though not as abundant as in the past, still have representatives in modern seas.
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