Jeletzkya

Jeletzkya douglassae is a fossil coleoid from the early Pennsylvanian Mazon Creek lagerstätten and represents the earliest known crown-group squid.[1] Non-mineralized anatomy is preserved and comprises ten hooked tentacles and a radula.

Jeletzkya
Temporal range: Early Pennsylvanian
artist's reconstruction of J. douglassae
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Cephalopoda
Subclass:
Coleoidea
Order:
Teuthida
Genus:
Jeletzkya
Species:
J. douglassae

References
  1. Johnson, RG; Richardson ES, Jr (1968-02-02). "Ten-armed fossil cephalopod from the Pennsylvanian of Illinois". Science. 159 (814): 526–8. doi:10.1126/science.159.3814.526. JSTOR 1722879. PMID 5635152.


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