Wednesday, August 17, 2022

BUENELLUS HIGGINSI FROM GREENLAND

An exceptional example of the Lower Cambrian trilobite Buenellus higginsi from the Sirius Passet Biota, Buen Formation which borders the Arctic Sea along the northernmost coast of Greenland, an island country that is part of the Kingdom of Denmark located between the Arctic and Atlantic oceans, east of the Canadian Arctic Archipelago. If you look closely, you can see that this specimen shows preservation of gut.

Buenellus higginsi averages around 5 centimeters or 2 inches. There have been some interesting studies done on these trilobites regarding predation. 

The predation scars are typically arcuate and show evidence of repair, with distortion of the healed area

It is a prominent member of the Sirius Passet fauna. If you find one, you find oodles of them in the outcrop. Buenellus higginsi is the only known species in the genus Buenellus as the genus is monotypic.

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