
ANASTYLOPS—ANCHIPPUS. 101 
Anastylops—Continued. 
Anastylops: ava, negative prefix; órbAos, pillar; &v, aspect. ‘‘Les molaires 
supérieures se distinguent par leur face externe qui est convexe sans colonne 
angulaire supplémentaire et avec l'aréte perpendiculaire externe antérieure 
peu marquée." (AMEGHINO, I. c., 86-87.) 
Anatherium AMEGHINO, 1887. Marsupialia, Borhyzenidee. 
Enum. Sist. Especies Mamíf. Fos. Patagonia Austral, p. 8, Dec., 1887. 
Type: Anatherium defassus Ameghino, from the Lower Tertiary of southern 
Patagonia. 
Extinct. 
Anatherium: &va, up (?); 67pior, wild beast. 
Anathitus AwEGnriNo, 1893. Monotremata ( Anathitid:e). 
Revista Jard. Zool. Buenos Aires, I, 78, Mar. 15, 1893; Revue Scientif., LI, 
No. 28, p. 731, June 10, 1893. 
Type: Anathitus revelator Ameghino, from the Eocene beds of southern Patagonia. 
Extinct. Based on a humerus. ‘‘Je suppose qu'il s'agit d'un représentant d'un 
groupe de mammifeéres encore inconnu constituant la transition si longtemps 
cherchée entre les Reptiles Thériodontes et les Mammiféres Monotrémes." 
(Revue Sci., p. 731.) 
Anathitus: Contracted from &vaféc, to run up; $is, 67705 sand—i. e., one who 
runs on the sand. (AMEGHINO. ) 
Anaurosorex (see Anourosorex). Insectivora, Soricidee. 
Anchilophus Gervais, 1848-52. Ungulata, Perissodactyla, Equid:e. 
Zool. et Paléont. Frang., 1° éd., II, Expl. pl. No. 35, p. 8, 1848-52; 2° éd., 86-87, 
pl. 35, fig. 18, 1859. 
Type: Anchilophus desmarestii Gervais, from the Eocene of Batignolles, near Paris, 
France. 
Extinct. Based on a fragment of a jaw with teeth. 
Anchilophus: Anchi(therium); Aócos, crest—in allusion to the crests of the upper 
molars. 
Anchimys AwEGniNo, 1886. Glires, Caviidee. 
Bol. Acad. Nac. Cien. Córdoba, IX, 71-74, 1880. 
Type: Cardiodon leidyii Ameghino, from the older Tertiary formations of Paraná, 
Argentina. 
Extinct. Based on fragments of the lower jaw containing incisors and three 
molars. 
Anchimys: &y yt, near; “0s, mouse—from its close relationship with Cardio- 
don,‘‘ denotando así su próximo parentesco con el mencionado género." 
( AMEGHINO. ) 
ce 
Anchippodus Lerpy, 1868. Tillodontia, Anchippodontidee. 
Proe. Acad. Nat. Sci. Phila., 1868, 232. 
Auchippodus M^RscHALL, Nomenclator Zool., Mamm., 14, 1873 (misprint). 
Type: Anchippodus riparius Leidy, from the Eocene of Shark River, Monmouth 
County, New Jersey. 
Extinct. Based on a molar tooth. 
Auchippodus: Anchippus; 080vs, tooth. 
Anchippus Lerpy, 1868. Ungulata, Perissodactyla, Equidee. 
Proc. Acad. Nat. Sci. Phila, 1868, 231-232. 
Auchippus Marscuatt, Nomenclator Zool., Mamm., 14, 1873 (misprint). 
Type: Anchippus texanus Leidy, from the Miocene of ‘Hutchen’s well,’ Washing- 
ton County, Texas. 
Extinct. Based on ‘‘a specimen consisting of the greater and more characteris- 
tic portion of an upper molar tooth.” 
