Cystothalamia

Cystothalamia is an extinct genus of sea sponges in the family Guadalupiidae that existed during the Permian and Triassic in what is now Austria, Hungary, Slovenia, Tajikistan, Croatia, Iran, Italy, Russia, Thailand, Tunisia, the United States (New Mexico and Texas), and Venezuela. It was described by G.H. Girty in 1909, and the type species is Cystothalamia nodulifera.

Cystothalamia
Scientific classification
Kingdom: Animalia
Phylum: Porifera
Class: Demospongiae
Order: Agelasida
Family: †Guadalupiidae
Genus: †Cystothalamia
Girty, 1908

Species
  • Cystothalamia conica
  • Cystothalamia crassa
  • Cystothalamia megacysta[1]
  • Cystothalamia nana
  • Cystothalamia nodulifera
  • Cystothalamia ramosa
  • Cystothalamia vandegraafi[2]
  • Cystothalamia surmaqensis

References
  1. The Sponge Family Guadalupiidae in the Texas Permian Robert M. Finks.
  2. Cystothalamia vandegraaffi New Species and Other Sphinctozoan Sponges from the Upper Carboniferous of Spain.


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