CLASSIFICATION OF AMPHIBIA AND LIST OF COAL MEASURES SPECIES. 47 



Class Amphibia — Continued. 



Subclass Lepospondylia Zittel, 1887. Coal Measures. 

 Order Microsauria Dawson, 1863. Coal Measures. 

 Family Hylonomidw Fritsch, 1883. 



Hylonomus latidens Dawson, Nova Scotia. 



Hylonomus lyelli Dawson, Nova Scotia. 



Hylonomus nmltidens Dawson, Nova Scotia. 



Hylonomus wymani Dawson, Nova Scotia. 



Smilerpeton aciedentatum Dawson, Nova Scotia. 



Hylerpeton dawsonii Owen, Nova Scotia. 



Hylerpeton intermedium Dawson, Nova Scotia. 



Hylerpeton longidentatum Dawson, Nova Scotia. 



Fritschia curtidentata Dawson, Nova Scotia. 



(f) Amblyodon probletnaticum Dawson, Nova Scotia. 

 Family Tuditanidce Cope, 1875. 



Tuditanus punctulntus Cope, Linton, Ohio. 



Tuditanus brevirostris Cope, Linton, Ohio. 



Tuditanus minimus Moodie, Cannelton, Pa. 



Tuditanus longipes Cope, Linton, Ohio. 



Tuditanus walcotti Moodie, Linton, Ohio. 



Erpetosaurus acutirostris Moodie, Linton, Ohio. 



Erpetosaurus minutus Moodie, Cannelton, Pa. 



Erpetosaurus obtusus Cope, Linton, Ohio. 



Erpetosaurus radiatus Cope, Linton, Ohio. 



Erpetosaurus sculptiUs Moodie, Cannelton, Pa. 



Erpetosaurus tabulatus Cope, Linton. Ohio. 



Erpetosaurus iuberculatus Moodie, Linton, Ohio. 



Odonterpeton triangularis Moodie, Linton, Ohio. 

 Family Stegopida Moodie, 1909. 



Stegops divaricata Cope, Linton, Ohio. 

 Family Urocordylidce Lydekker, 1890. 



Diceratosaurus punctolineatus Cope, Linton, Ohio. 



Diceratosaurus l(evis Moodie, Linton, Ohio. 



Diceratosaurus robustus Moodie, Linton, Ohio. 



Eoserpeton tenuicorne Cope, Linton, Ohio. 

 Family AmphibamidcE Moodie. 



Amphibamus grandiceps Cope, Mazon Creek. 



Amphibamus thoracatus Moodie, Mazon Creek. 



Cephalerpelon ventriarmatum Moodie, Mazon Creek. 

 Family Nyraniida Lydekker, 1889. 



Ichthyerpeton squamosum Moodie. Linton, Ohio. 



Cercariomorphus parvisquamis Cope, Linton, Ohio. 

 Family Ptyoniidw Cope, 1875. 



Ptyonius nummiler Cope, Linton, Ohio. 



Ptyonius marshii Cope, Linton, Ohio. 



Ptyonius vinchellianus Cope, Linton, Ohio. 



Ptyonius pectinatus Cope, Linton, Ohio. 



Ptyonius serrula Cope, Linton, Ohio. 



CEstocephalus remex Cope, Linton, Ohio. 



CEstocephalus rectidens Cope, Linton, Ohio. 



Thyrsidium fasciculare Cope, Linton, Ohio. 

 Family Ichthycanthidcs Moodie. 



Ichthycanthus ohiensis Cope, Linton, Ohio. 



Ichthycanlhus platypus Cope, Linton, Ohio. 

 Family Molgophidm Cope, 1875. 



Molgophis macrurus Cope, Linton, Ohio. 



Molgophis brevicostatus Cope, Linton, Ohio. 



Molgophis wheatleyi Cope, Linton, Ohio. 



Erpetobrachium mazonensis Moodie, Mazon Creek. 



Pleuroptyx clavatus Cope, Linton, Ohio. 



Phlegethontia linearis Cope, Linton, Ohio. 



Phlegethonlia serpens Cope, Linton, Ohio. 



