Definition of Ptychaspis. Meaning of Ptychaspis. Synonyms of Ptychaspis

- doi:10.1080/03745481.1941.9727941. ISSN 0374-5481. OCLC 5497152624. Ptychaspis Bryant,1935, Proc. Amer. Phil. Soc. lxxv. 11. 127, non Hall, 1863, Ann...
- Idiomesus Kathleenella Keithia Keithiella Macronoda Plectrella Proricephalus Ptychaspis Saukioides Sunwaptia Wilcoxaspis S. M. Gon III. "Order Asaphida". Retrieved...
- Valid. Pterichthyodes Bl****er 1859 Valid. Ptychaspis Bryant 1935 Preocc. Preoccupied by trilobite genus Ptychaspis Hall, 1863 Ptyctodopsis Denison 1985 Valid...
- Jiangshanian sediments of western Tasmania. Trilobite genera Monocheilus, Ptychaspis and Wilbernia are known from the Jiangshanian Honey Cr**** Formation in...
- †Pseudagnostus josephus †Ptchaspis †Ptchaspis striata †Ptychaspis †Ptychaspis bullasa †Ptychaspis miniscaensis †Ptychopleurites †Ptychopleurites spinosa...
- †Ptilodictya – tentative report †Ptychaspis †Ptychaspis granulosa †Ptychaspis miniscaensis †Ptychaspis striata †Ptychaspis tuberosa †Ptychocrinus †Punctaparchites...
- (=Spinoredlichia) Pterygometopus Ptilillaenus Ptychagnostus (=Acidusus?) Ptychaspis (=Asioptychaspis) Ptychometopus Ptychoparella (=Eoptychoparia; =Syspacephalus;...
- Corynexochida belonging to the group Leiostegiina and the family Missisquoiidae. Ptychaspis matuszaki Sp. nov Valid Blackwell & Westrop Cambrian (Jiangshanian) Fort...
- †Pseudooneotodus †Pseudooneotodus beckmanni †Pseudooneotodus bicornis †Ptychaspis †Ptychocaulus †Ptychocaulus bivittata †Ptychopleurella †Pycnocrinus †Pycnocrinus...
- †Ptychagnostus †Ptychagnostus elegans †Ptychagnostus punctuosus †Ptychaspis †Ptychaspis speciosus †Ptychocrinus †Ptychocrinus medinensis †Pty****sma †Pty****sma...