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 Hylonmiidce Fritsch, 1883. 



Hylonomiis latidcns Dawson, Nova Scotia. 



Hylonomus lyclll Dawson, Nova Scotia. 



Hylonomus nuiltidais Dawson, Nova Scotia. 



Hylonomus wymani Dawson, Nova Scotia. 



Smilcrpcton aciedentatum Dawson, Nova Scotia. 



Hylcrpcton dawsonii Owen, Nova Scotia. 



Hylcrpcton intermedium Dawson, Nova Scotia. 



Hylcrpcton lottgidcntiitum Dawson, Nova Scotia. 



l-~i itschia ciirtidcntata Dawson, Nova Scotia. 



(?) Amblyodon problcmaticitm Dawson, Nova Scotia. 

 Family Tuditanidtc Cope, 1875. 



Tuditanus piinctidatus Cope, Linton, Ohio. 



Tuditanus brcvirostris Cope, Linton, Ohio. 



Tuditanus minimus Moodic, Cannelton, Pa. 



Tuditanus longipcs Cope, Linton, Ohio. 



Tuditanus walcotii Moodie, Linton, Ohio. 



Erpctosaurus acutirostris Moodie, Linton, Ohio. 



Erpetosaurus initnttns Moodie, Cannelton, Pa. 



Erpctosaurus obtusus Cope, Linton, Ohio. 



Erpetosaurus radiatus Cope, Linton, Ohio. 



Erpctosaurns scnlptilis Moodie, Cannelton, Pa. 



Erpctosaurus tabulatus Cope, Linton, Ohio. 



Erpctosaurus tubcrculatus Moodie, Linton, Ohio. 



Odontcrpcton triangularis Moodie, Linton, Ohio. 

 Family Stegopidas Moodie, igog. 



Stcgops divaricafa Cope, Linton, Ohio. 

 Family Urocordylidce Lydekkcr, 1890. 



Diceratosaurus punctolineatus Cope, Linton, Ohio. 



Diceratosaurus lasvis Moodie, Linton, Ohio. 



Diceratosaurus robusfus Moodic, Linton, Ohio. 



Eoscrpeton tenuicornc Cope, Linton, Ohio. 

 Family Amphibamida Moodie. 



Amphibainits grandiccps Cope, Mazon Creek. 



Amphibamus thoracatus Moodie, Mazon Creek. 



Cephalcrpeton vcntriarniatnin Moodie, Mazon Creek. 

 Family Nyraniida; Lydekkcr, i88g. 



Ichthycrpeton squainositm Moodie. Linton, Ohio. 



Cercariomorphus parvisquamis Cope, Linton, Ohio. 

 Family Ptyoniida: Cope, 1875. 



Ptyonius niinnniicr Cope, Linton, Ohio. 



Ptyonius marshii Cope, Linton, Ohio. 



Ptyonius vincheUianus Cope, Linton, Ohio. 



Ptyonius pcctinatus Cope, Linton, Ohio. 



Ptyonius serrula Cope, Linton, Ohio. 



CEstocephalus remex Cope, Linton, Ohio. 



CEstoccphalus rectidens Cope, Linton, Ohio. 



Thyrsidiutn fasciculare Cope, Linton, Ohio. 

 Family Ichthycanthidcc Moodie. 



Ichthycanthus ohiensis Cope, Linton, Ohio. 



Ichthycanthus platypus Cope, Linton, Ohio. 

 Family Molgophidcz Cope, 1875. 



Molgophis macrurus Cope, Linton, Ohio. 



Molgophis brevicostatus Cope, Linton, Ohio. 



Molgophis u'heatlcyi Cope, Linton, Ohio. 



Erpctobrachium mazonensis Moodie, Mazon Creek. 



Pleuroptyx clavatus Cope, Linton, Ohio. 



Phlegethontia lincaris Cope, Linton, Ohio. 



Phlegcthontia scrpcns Cope, Linton, Ohio. 



