Theelia

Theelia is an extinct genus of sea cucumbers which existed from 312 to 40.4 million years ago (Middle Pennsylvanian to the Lutetian age).[2][3]

Theelia
Temporal range:
Middle Pennsylvanian to Lutetian
Scientific classification
Kingdom: Animalia
Phylum: Echinodermata
Class: Holothuroidea
Subclass: Apodacea
Order: Apodida
Family: Chiridotidae
Genus: Theelia
Schlumberger 1890
Type species
Chirodota undulata
Schlumberger, 1888[1]
Species[2]

See text

Fossil sclerites of Theelia are found worldwide.[2]

Species

Numerous species are assigned to the genus Theelia, they include the following:

  • Theelia alta
  • Theelia alveata
  • Theelia anguinea
  • Theelia conglobata
  • Theelia convexa (syn. Chiridota heptalampra)
  • Theelia crassidentata
  • Theelia dentata
  • Theelia doreckae
  • Theelia dzhulfaensis
  • Theelia fastigata
  • Theelia fissa
  • Theelia florida
  • Theelia guembeli
  • Theelia hexacneme
  • Theelia immisorbicula (syn. Theelia subcirculata)
  • Theelia koeveskalensis
  • Theelia kutscheri
  • Theelia lata
  • Theelia latimarginata
  • Theelia liptovskaensis
  • Theelia mesopermiana
  • Theelia monicae
  • Theelia mortenseni
  • Theelia multiplex
  • Theelia norica
  • Theelia petasiformis
  • Theelia planata
  • Theelia planorbicula
  • Theelia praeacuta
  • Theelia praenorica
  • Theelia praeseniradiata
  • Theelia pseudoplanata
  • Theelia serta
  • Theelia simoni
  • Theelia sinaiensis
  • Theelia staurolithensis
  • Theelia stellifera
  • Theelia synapta
  • Theelia teneromarginata
  • Theelia trammeri
  • Theelia undata
  • Theelia undulata
  • Theelia variabilis
  • Theelia wartensis
  • Theelia zawidzkae

Species of unknown validity

  • Theelia venusta
  • Theelia zapfei
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References

  1. Jadwiga Garbowska & Andrzrej Wierzbowski (1967). "Some holothurian sclerites from the Polish Jurassic" (PDF). Acta Palaeontologica Polonica. Institute of Paleobiology, Polish Academy of Sciences. 12 (4): 523–541. Retrieved June 22, 2011.
  2. "Theelia". Paleobiology Database. Retrieved June 22, 2011.
  3. Krystyna Zawidzka (1971). "Triassic holothurian sclerites from Tatra Mountains" (PDF). Acta Palaeontologica Polonica. Institute of Paleobiology, Polish Academy of Sciences. 16 (4): 429–450. Retrieved June 22, 2011.


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