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434 hits since 28 Apr 2017
©1994-2017 Bill Armintrout
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Tango01 Supporting Member of TMP29 Apr 2017 11:54 a.m. PST

… Opener-Like Pincers.

"Tokummia katalepsis — a large bivalved arthropod from the Marble Canyon fossil deposit, Burgess Shale, British Columbia, Canada — documents for the first time in detail the anatomy of early mandibulates.

"In spite of their colossal diversity today, the origin of mandibulates had largely remained a mystery," said Dr. Cédric Aria, a postdoctoral researcher at the Nanjing Institute for Geology and Palaeontology, China, and the lead author of a report published this week on Tokummia katalepsis in the journal Nature.

"Before now we've had only sparse hints at what the first arthropods with mandibles could have looked like, and no idea of what could have been the other key characteristics that triggered the unrivaled diversification of that group."

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Amicalement
Armand

JMcCarroll29 Apr 2017 3:52 p.m. PST

Tokummia katalepsis just wants to hug!

Tango01 Supporting Member of TMP30 Apr 2017 2:12 p.m. PST

(smile)


Amicalement
Armand

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