Biology:Phaulactis cyathophylloides

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Short description: Extinct species of coral


Phaulactis cyathophylloides
Temporal range: Silurian
P.cyathophylloides
An illustration of Phaulactis cyathophylloides.
Scientific classification
Kingdom:
Animalia
Phylum:
Class:
Order:
Family:
†Lykophyllidae
Genus:
Species:
P cyathophylloides
Binomial name
Phaulactis cyathophylloides
Ryder, 1926

Phaulactis cyathophylloides is an extinct species of rugose coral known from the silurian layers of Gotland, and Estonia.[1] It is the type species of the genus Phaulactis and was described by Ryder in 1926. It can grow to relatively large sizes.[2]

Description

The species can have two different shapes, either turbinate or cylindrical. It can grow to 60 mm in length and 20 mm in diameter. The calyx is very deep and the septal ridges are well marked. As all other Phaulactis species, it has large amount of septa.[3]

References

Wikidata ☰ Q65044963 entry