LEiDY, 1858 283 



Apedodus Leidy, III, 164; orthotype A. priscus Leidy (fossil). Probably a 

 synonym of Dendrodus. 



630. LEIDY (1858). Notices of Some Remains of Extinct Fishes (Hadrodus, etc J. 



Proc. Acad. Nat. Sci. Phila., 1857 (1858), 167-168. 

 Joseph Leidy. 

 Hadrodus Leidy, 167; orthotype H. priscus Leidy. 

 Phasganodus Leidy, 167; orthotype P. dirus Leidy (fossil). A synonym of Cimo- 



LicHTHYs Leidy. 

 Turseodus Leidy, 167; orthotype T. acutus Leidy (fossil). 



631. VON DER MARCK (1858). (Fossil Fishes.) Zeitschrift der Deutschen 



Geologic, X. 



W. VON DER Marck (d. 1900). 



Pelargorhynchus von der Marck, X, 242; logotype P. dercetiformis Marck (fossil). 



Sardinius von der Marck, X, 245; orthotype Osmerus cordieri Ag. (fossil). Not 



Sardinia Poey, 1860, nor Sardina Antipa, 1914, which is the same. 

 Sardinioides von der Marck, X, 245; orthotype Osmeroides monasteri Ag. (fossil). 



A synonym of Osmeroides Ag. 

 Echidnocephalus von der Marck, X, 247; orthotype E. troscheli Marck (fossil). 



An extinct analogue of Halosaurus. 

 Ischyrocephalus von der Marck, X, 248; orthotype I. gracilis Marck (fossil). 



A synonym of Enchodus. 

 Platycormus von der Marck, X, 351; orthotype Beryx germanus Ag. (fossil). 



632. PANDER (1858). Die Ctenodiptcrinen des devonischen Systems. St. Peters- 



burg, 1858, VIII, 65. 



Christian Heinrich Pander. 



Cheirodus Pander, 33; orthotype C. jerofejewi Pander (fossil). A synonym of 



Conchodus McCoy; the name preoccupied. 

 Ptyctodus Pander, 48; orthotype P. obliquus Pander (fossil). 



633. PHILIPPI (1858). Beschreibnngneuer Wirbelthiere aus Chile. Arch. Naturg. 



Rudolph Amandus Philippi. 

 Chilopterus Philippi, 306 ; no specific name given. A larval lamprey ; probably of 

 Caragola Gray. 



633A. QUENSTEDT (1858). Der Jura. Tubingen, 1856-1858, VI. 

 Friederich August von Quenstedt. 



Desmacanthus Quenstedt, 34; orthotype D. cloacinus Quenstedt (fossil). A syno- 

 nym of Nemacanthus. 



Lycodus Quenstedt, 240; orthotype Saurichthys gigas Quenstedt (fossil). 



Pachylepis Quenstedt, 241; orthotype (problematical cranial bones) (fossil). 



Chimaeracanthus Quenstedt, 347; orthotype. A. aalensis Quenstedt (fossil). A 

 synonym of Ischyodus. 



Psilacanthus Quenstedt, 347; orthotype P. aalensis Quenstedt (fossil). 



Typodus Quenstedt, 781; logotype T. annulatus Quenstedt (fossil). Apparently 

 a synonym of Mesodon, which, being preoccupied, it replaces. 



Kokkoderma Quenstedt, 810; orthotype K. suevicum Quenstedt (fossil). Later 

 spelled Coccoderma. 



