perfecta. It was placed into the new separate genus Canadaspis in 1960 by Novozhilov. Canadaspis was historically interpreted as a crustacean, but this...
12 KB (1,327 words) - 17:07, 21 June 2024
a rich and extensive fossil record, which begins with animals such as Canadaspis and Perspicaris from the Middle Cambrian age Burgess Shale. Most of the...
57 KB (4,897 words) - 00:39, 10 October 2024
of true hymenocarines. Life restoration of Waptia Life restoration of Canadaspis laevigata Tokummia is the earliest known animal bearing pincers Only 2...
17 KB (1,640 words) - 22:10, 8 March 2024
Canadaspis, such as Canadaspis perfecta (Hymenocaris perfecta), leaving only Hymenocaris vermicauda. Differences between Hymenocaris and Canadaspis have...
2 KB (129 words) - 15:55, 2 December 2023
Arthropoda Genus: Perspicaris Briggs 1977 Species P. recondita Briggs 1977 P. dictynna (type species, =Canadaspis dictynna Simonetta & Delle Cave 1975)...
3 KB (282 words) - 19:17, 31 August 2024
protrude near the eyes. Similar structures are known from the related Canadaspis as well as other mandibulates, and are thought to correspond to the hemi-ellipsoid...
23 KB (2,439 words) - 14:09, 24 August 2024