Jeletzkya

Jeletzkya Temporal range: Early Pennsylvanian PreЄ Є O S D C P T J K Pg N

artist's reconstruction of J. douglassae
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Subclass:	Coleoida
(unranked):	Teuthida
Genus:	Jeletzkya
Species:	J. douglassae

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.

References

↑ 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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