Amiskwia is a genus of soft-bodied animals known from fossils of the Middle Cambrian Lagerstätten both in the Burgess Shale in British Columbia, Canada...

defecation. Unlike other gnathiferans, in chaetognaths and the extinct Amiskwia the anus is located on the ventral surface in a subterminal position. Both...

a chaetognath, but was probably more basal to modern arrow worms than Amiskwia. As of January 2024, 13 known specimens have been assigned to this species...

horseshoe-shaped carapace. Pikaia was a stem-chordate from the Middle Cambrian Amiskwia sagittiformis was a large bodied gnathiferan from Canada and China Haplophrentis...

four families, six genera, for a total of 58 species – plus the extinct Amiskwia, classified as a true primitive chaetognath in a separate class, Archisagittoidea...

Miaolingian PreꞒ Ꞓ O S D C P T J K Pg N ↓ C. praetermissus compared to Amiskwia Scientific classification Domain: Eukaryota Kingdom: Animalia Phylum: Chaetognatha...

Micrognathozoa Syndermata (Rotifera) including Acanthocephala Chaetognatha †Amiskwia (not placed in a phylum) †Timorebestia (stem-chaetognath) †Inquicus †Nectocarididae...

River, a river in British Columbia (from the Cree word for Beavertail) Amiskwia, a fossil This disambiguation page lists articles associated with the title...

traces from the Middle Triassic of Germany. The Middle Cambrian fossil Amiskwia from the Burgess Shale has been classed as a nemertean, based on a resemblance...

chaetognathan evolution before arrow worms became planktonic swimmers. Amiskwia Total group Gnathifera Walcott Quarry A large, soft bodied animal. Recently...

Genus Species Material Notes Images Amiskwia A. sinica Inquicus I. fellatus...

locomotion. Vinther, Jakob; Parry, Luke A. (2019). "Bilateral jaw elements in Amiskwia sagittiformis bridge the morphological gap between gnathiferans and chaetognaths"...

Conway Morris, S. (1977). "A redescription of the Middle Cambrian worm Amiskwia sagittiformis Walcott from the Burgess Shale of British Columbia". Paläontologische...

Formation by Verde et al. (2022). A study on the phylogenetic affinities of Amiskwia sagittiformis is published by Bekkouche & Gąsiorowski (2022), who recover...

as would be expected from a soft-bodied animal. The Cambrian fossil, Amiskwia, has been interpreted as a nemertean based on its resemblance to some pelagic...

Name Novelty Status Authors Age Type locality Country Notes Images Amiskwia Gen. et sp. nov Valid Walcott Cambrian Burgess Shale  Canada A soft-bodied...

Devonian strata is published by Wei (2019). A study on the anatomy of Amiskwia sagittiformis is published by Vinther & Parry (2019), who interpret two...