Keywords: Origin of Vertebrates Fig 109.jpg Fig 109 ”Hemiaspis limuloides From Woodward gl glabellum The correct name for this species appears to be Limuloides limuloides See http //www academia edu/163058/On_the_Emsian_Lower_Devonian_arthropods_of_the_Rhenish_Slate_Mountains_2 _The_synziphosurine_Willwerathia Lyall et al p 328 1908 The Origin of Vertebrates https //archive org/details/ost-biology-the_origin_of_vertebrates Walter Holbrook Gaskell PD-old-auto-1923 1914 Origin of Vertebrates book Limuloides |