Tapo Canyon (Upper) (Eocene of the United States)

Also known as CIT 180, 217 Tapo Canyon

Where: Ventura County, California (34.3° N, 119.0° W: paleocoordinates 34.5° N, 105.8° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Sespe Formation, Uintan (46.2 - 40.4 Ma)

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Reposited in the CIT

Primary reference: D. J. Golz and J. A. Lillegraven. 1977. Summary of known occurrences of terrestrial vertebrates from Eocene strata of southern California. Contributions to Geology, University of Wyoming 15(1):43-65 [J. Alroy/J. Alroy/J. Marcot]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 16786: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Patricia Holroyd and Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

• appears to be at the level of LACM 5857 based on literal interpretation of scale in sections given by Kelly 1990 and Kelly et al. 1991
almost entirely from CIT 180, but some Kelly 1990 records may be from UCMP V-6103 or V-87155; CIT 217 of Golz and Lillegraven 1977, which yielded only "Artiodactyla indet."
NISP 1324+
record of ? Hyaenodontidae indet. is omitted by Kelly 1990

"cf. Sespedectes sp." is omitted by Kelly 1990

not clear what "cf. Hemiacodon sp." is

"Reithroparamyinae indet." is omitted by Kelly 1990
Gastropoda
 Pulmonata - Camaenidae
Osteichthyes
 Salientia -
Reptilia
 Testudines -
"Chelonia indet." = Testudines
"Chelonia indet." = Testudines Batsch 1788 turtle
 Testudines - Trionychidae
Trionychidae indet. Gray 1825 softshell turtle
 Testudines - Pantestudinidae
Testudo sp. Linnaeus 1758 turtle
Aves
  -
Aves indet. Linnaeus 1758 bird
Reptilia
 Squamata -
"Saniwa brooksi" = Saniwa ensidens, Peltosaurus macrodon n. sp.2
"Saniwa brooksi" = Saniwa ensidens Leidy 1870 squamates
Peltosaurus macrodon n. sp.2 Brattstrom 1955 squamates
 Squamata - Anguidae
Anguidae indet. Gray 1825 squamates
 Ophidia -
 Squamata - Boidae
Boidae indet. Gray 1825 boa
Boavus affinis n. sp.2 Brattstrom 1955 boa
 Squamata -
Mammalia
 Primates - Microsyopidae
Craseops sylvestris n. sp. Stock 1934 primate
from CIT 180: see Stock 1934b;
 Primates - Omomyidae
Walshina esmaraldensis n. gen. n. sp.6 López-Torres et al. 2018 tarsier
described by Mason 1990; CIT 180
Dyseolemur pacificus n. sp. Stock 1934 tarsier
from CIT 180: see Stock 1934a;
Yaquius travisi7 Mason 1990 tarsier
"Omomyid n. gen. and sp." of Kelly 1990; CIT 180
 Rodentia - Simimyidae
Simimys simplex Wilson 1935 rodent
includes type of "S. murinus" from CIT 180 of Wilson 1949a; see Lillegraven and Wilson 1977
 Rodentia - Ischyromyidae
Microparamys woodi5 Kelly and Whistler 1994 rodent
"M. sp. D" of Wood 1962; probably "Paramys cf. minutus" ( of Wilson 1940a
"Leptotomus cf. leptodus" = Paramys leptodus Cope 1873 rodent
Paramys cf. compressidens1 Peterson 1919 rodent
Leptotomus cf. caryophilus Wilson 1940 rodent
Eohaplomys tradux n. sp. Stock 1935 rodent
from CIT 180: see Stock 1935a;
Tapomys tapensis1 Wilson 1940 rodent
 Perissodactyla -
cf. Hesperaletes sp.3 Colbert 2006 odd-toed ungulate
 Ferae -
Tapocyon robustus10 Peterson 1919 placental
from CIT 180: see Stock 1934c;
 Carnivora - Miacidae
? Miacis hookwayi n. sp. Stock 1934 carnivoran
from CIT 180: see Stock 1934c;
 Carnivora -
Procynodictis progressus1 Stock 1935 carnivoran
 Macroscelidea - Amphilemuridae
Proterixoides davisi8 Stock 1935 elephant shrew
Sespedectes singularis Stock 1935 elephant shrew
Novacek 1976
 Ungulata - Agriochoeridae
Protoreodon pumilus Marsh 1875 agriochoerid
NISP @50 ("approximately 50": Golz)
 Ungulata - Diacodexeidae
Tapochoerus egressus n. sp. Stock 1934 even-toed ungulate
from CIT 180: see Stock 1934b; (Stock), @24 (Golz)
 Ungulata - Protoceratidae
Leptoreodon edwardsi n. sp. Stock 1936 protoceratid
from CIT 180: see Stock 1936b; ("no less than": Stock), @1120 (Golz)
 Ungulata - Praetragulidae
Simimeryx sp.4 Stock 1934 ruminant
said to be new
 Insectivora - Apatemyidae
Apatemys downsi n. sp. Gazin 1958 insectivoran
from CIT 180; see Gazin 1958a ( Kelly 1990 lists A. bellus
 Theriiformes - Herpetotheriidae
Herpetotherium cf. knighti1 McGrew et al. 1959 marsupial