Cornulitida

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Cornulitida
Temporal range: Mid Ordovician–Late Carboniferous[1]
Cornulitid on a brachiopod valve (Upper Ordovician, SE Indiana)
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Class: Tentaculita
Order: Cornulitida
Boucek, 1964
Genera

Cornulitida is an extinct order of encrusting animals from class Tentaculita, which were common around the globe in the Ordovician to Devonian oceans, and survived until the Carboniferous.[1][2][3] Organisms that may be the oldest cornulitids have been found in Cambrian sediments of Jordan.[4]

Cornulitids had shells, and were subject to predation by boring and other means from the Ordovician onwards. Many survived attacks by predators.

tabulates.[5][6][7]

Their affinity is unknown; they have been placed in many phyla, and have been considered worms, corals, molluscs and more.

Gallery

References