Cornulitida
| Cornulitida |
|
|---|---|
| File:CornulitidOrdovician.jpg | |
| Cornulitid on a brachiopod valve (Upper Ordovician, SE Indiana) | |
Scientific classification  |
|
| Kingdom: | Animalia |
| Phylum: | Mollusca (?) |
| Class: | †Tentaculita |
| Order: | †Cornulitida |
| Genera | |
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Cornulitida is an extinct order of encrusting animals from the Tentaculita class, which were common around the globe in the Ordovician to Devonian oceans, and survived until the Carboniferous.[1] [2][3]
The organisms had shells, and were subject to predation by boring and other means from the Ordovician onwards. Many survived attacks by predators.[1] Several cornulitids were endobiotic symbionts in the stromatoporoids and tabulates.[4][5][6]
Their affinity is unknown; they have been placed in many phyla, and have been considered worms, corals, molluscs and more.[1] They appear to be closely related to other taxa of uncertain affinity, including the microconchids, trypanoporids and tentaculitids.[1]
References
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