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 Hylommidce Fritsch, 1883. 



Hylonomus latidens Dawson, Nova Scotia. 



Hylonomus lyelli Dawson, Nova Scotia. 



Hylonomus multidens Dawson, Nova Scotia. 



Hylonomus wymani Dawson, Nova Scotia. 



Smilerpeton aciedentatum Dawson, Nova Scotia. 



Hylerpeton dawsonii Owen, Nova Scotia. 



Hylerpcton intermedium Dawson, Nova Scotia. 



Hylerpeton longidentatum Dawson, Nova Scotia. 



Fritschia curtidcntata Dawson, Nova Scotia. 



(f) Amblyodon problematicum Dawson, Nova Scotia. 

 Family Tuditanidce Cope, 1875. 



Tuditanus punctulatus 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 sculptihs Moodie, Cannelton, Pa. 



Erpetosaurus tabulatus Cope, Linton. Ohio. 



Erpetosaurus tuberculatus Moodie, Linton, Ohio. 



Odonterpeton triangularis Moodie, Linton, Ohio. 

 Family Slegopidce Moodie, 1909. 



Stegops divaricata Cope, Linton, Ohio. 

 Family Urocordylida Lydekker, 1890. 



Diceratosaurus punctolineatus Cope, Linton, Ohio. 



Diceratosaurus Icevis Moodie, Linton, Ohio. 



Diceratosaurus robustus Moodie, Linton, Ohio. 



Eoserpeton tenuicorne Cope, Linton, Ohio. 

 Family Amphibamida Moodie. 



Amphibamus grandiceps Cope, Mazon Creek. 



Amphibamus thoracatus Moodie, Mazon Creek. 



Cephalerpeton ventriarmatum Moodie, Mazon Creek. 

 Family NyraniidcB Lydekker, 1889. 



Ichthyerpeton squamosum Moodie. Linton, Ohio. 



Cercariomorphus parvisquamis Cope, Linton, Ohio. 

 Family Ptyoniidce Cope, 1875. 



Ptyonius nummiier Cope, Linton, Ohio. 



Ptyonius marshii Cope, Linton, Ohio. 



Ptyonius mnchellianus Cope, Linton, Ohio. 



Ptyonius pectinatus Cope, Linton, Ohio. 



Ptyonius serrula Cope, Linton, Ohio. 



(Estocephalus remex Cope, Linton, Ohio. 



(Estocephalus rectidens Cope, Linton, Ohio. 



Thyrsidium fasciculare Cope, Linton, Ohio. 

 Family Ichthycanthida Moodie. 



Ichthycanthus ohiensis Cope, Linton, Ohio. 



I chihycanthus platypus Cope, Linton, Ohio. 

 Family Molgophidce Cope, 1875. 



Molgophis macrurus Cope, Linton, Ohio. 



Molgophis brevicostatus Cope, Linton, Ohio. 



Molgophis u'heatleyi Cope, Linton, Ohio. 



Erpetobrachium mazonensis Moodie, Mazon Creek. 



Pleuroptyx clavatus Cope, Linton, Ohio. 



Phlegethontia linearis Cope, Linton, Ohio. 



Phlegethontia scrpens Cope, Linton, Ohio. 



