Phaulactis cyathophylloides

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]

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

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
  1. "Phaulactis cyathophylloides". Fossiilid.info. Retrieved 2019-06-09.
  2. "Phaulactis". Fossiilid.info. Retrieved 2019-06-09.
  3. "Phaulactis". Fossiilid.info. Retrieved 2019-06-09.
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.