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Syspacheilus is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived from 501 to 490 million years ago during
Syspacheilus
Syndianella Synphoria (=Eocorycephalus; =Neosynphoria) Synphoroides Syspacheilus Szeaspis (=Spitiaspis) Szechuanella Szechuanolenus Tabalqueia Tabatopygellina
List_of_trilobite_genera
†Rasettia capax †Rasettia magna †Saukiella †Saukiella pyrene †Spyroceras †Syspacheilus †Taenicephalus †Taenicephalus nasutus †Taenicephalus shumardi †Terranovella
List of the prehistoric life of South Dakota
List_of_the_prehistoric_life_of_South_Dakota
unidentified comparable form †Strophomena †Strophostylus †Stutchburia †Syspacheilus Contents A B C D E F G H I J K L M N O P Q R S T U V W X Y Z †Taenicephalus
List of the Paleozoic life of Wyoming
List_of_the_Paleozoic_life_of_Wyoming
†Spiriferina †Spyroceras †Stearoceras †Streptognathodus †Strophomena †Syspacheilus †Tainoceras †Tetrataxis †Tricrepicephalus †Uncaspis †Uranolophus †Westonoceras
List of the prehistoric life of Wyoming
List_of_the_prehistoric_life_of_Wyoming
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