Globampyx

Globampyx is an extinct genus raphiophorid trilobites. It lived during the later part of the Arenig stage of the Ordovician Period, approximately 478 to 471 million years ago. Species of the genus are known from Canada, Norway and Sweden.

Distribution

G. sinalae is known from the Middle Ordovician of Canada G. trinucleoides is known from the Middle Ordovician of Svalbard

Description

The headshield of Globampyx is densely covered with very small granules. The central raised area of the cephalon has an inverted flask-shape. It lacks the rapier-like glabellar spine of many other raphiophorids, but only has a tubercle. The thorax has five segments. The short but wide triangular pygidium, with a rather low axis of up to six indistinct rings that reaches the faint border furrow.