English: Waptia fieldensis, U. S. National Museum, Catalogue No. 57681
A - Capapace; B - Thoracic segments C - Abdominal segments D - Caudal rami br - Gill lobe, possibly endopodites thl - Thoracic legs an - Antennae e - Eyes
tel - Telson
日付
原典
Middle Cambrian Branchiopoda, Malacostraca, Trilobita, and Merostomata (1912)