Bivalved arthropod with a carapace sub-equal to or greater in height than length, covering the frontalmost section of the body and extending anteroventrally beyond the level of the longest cephalothoracic legs; stalked eyes laterally bilobate. Total number of post-cephalic segments ca. 110:1012 thoracic segments and ca. 100 post-thoracic segments. Each thoracic segment is three times longer than a post-thoracic segment. Caudal rami tripartite, with pseudo-segments bearing elongated setae distally.
Full reference: A. Izquierdo-López and J. Caron. 2022. Extreme multisegmentation in a giant bivalved arthropod from the Cambrian Burgess Shale. iScience 25(7)
Belongs to Balhuticaris according to A. Izquierdo-López and J. Caron 2022
Sister taxa: none
Type specimen: ROMIP66238, an exoskeleton. Its type locality is Marble Canyon collection, which is in a Cambrian slope claystone/lime mudstone in the Stephen Formation of Canada.
Ecology:
Distribution: found only at Marble Canyon collection
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.