2 Clayton E. Ray, Elaine Anderson, S. David Webb 
the authors who studied the western Trigonictis has restudied Galera 
macrodon, and only Bjork (1970:28) has mentioned it. The specimen 
could not be found at the time of Schreuder’s (1935) writing, and the 
western species now assigned to Trigonictis had only just been described 
(Gazin 1934) and were not considered by her. Reig (1957) regarded 
Canimartes{l) cookii and Galictis macrodon as very close, probably 
representing a new subgenus of Galictis, and C.(?) idahoensis as conge- 
neric with Trigonictis kansasensis, and referred all of them to the Galicti- 
nae. Apparently working only from the literature, he did not recognize 
the extremely close relationship between T. idahoensis and T. cookii, 
which has been substantiated further by consideration of new material 
(Zakrzewski 1967; Bjork 1970; Galbreath 1972; Gustafson 1978). 
In 1971 one of us (Anderson) found the holotype of Galera macrodon 
in the collections of the Academy of Natural Sciences of Philadelphia, 
recognized its general affinities, and subsequently concluded that it is 
conspecific with Trigonictis idahoensis. This was expressed tentatively in 
Kurten and Anderson (1980:155). 
Recently Peter J. Harmatuk sent another one of us (Ray) a mustelid 
mandible found by Mr. Donnie Bailey at Goldsboro, North Carolina. 
Efforts to identify the specimen prompted a review of the literature and 
critical examination of the excellent sample of Trigonictis from Idaho in 
the National Museum of Natural History, of the Florida material in the 
Florida State Museum, and of the holotype of Galera macrodon in the 
Academy of Natural Sciences of Philadelphia. All of this led to the 
conclusion that Trigonictis idahoensis is a junior synonym of Trigonictis 
macrodon, to which all but one of the eastern specimens of Trigonictis, 
all western specimens previously assigned to T. idahoensis, and at least 
some previously assigned to T. cookii, should now be referred. 
Our purposes here are to review and describe the material from the 
eastern states, to present our conclusions regarding Galera macrodon, to 
place all of these in the context of the more abundant, geochronologically 
better known, western Trigonictis, and to comment briefly on its broader 
relationships with Palearctic paleotaxa and with neotropical neotaxa. 
Abbreviations 
ANSP - Academy of Natural Sciences of Philadelphia 
BMNH - British Museum (Natural History) 
F:AM - Frick:American Mammals Collection, American 
Museum of Natural History 
KUVP - University of Kansas, Vertebrate Paleontology 
UF/FSM - University of Florida, Florida State Museum 
USGS - United States Geological Survey 
