Mammalia, Perissodactyla) in the Early Miocene of Panama

Supplementary Data 1

First occurrence of a small-bodied chalicothere (Mammalia, Perissodactyla) in the early Miocene of Panama

AARON R. WOOD*,1 and NICOLE M. RIDGWELL,2 1Florida Museum of Natural History, University of Florida, Gainesville, Florida 32611, U.S.A., [email protected]; 2University of Colorado Museum of Natural History, Boulder, Colorado 80309, U.S.A, [email protected]

* = Corresponding author

TABLE S1. Lower molar measurements for Oligocene and Miocene Chalicotheriidae used in Table 1 in the text. The majority of measurements are derived from indicated literature sources with the exception of FMNH 1444, which was measured from a cast in the Florida Museum of Natural History cast collection at the University of Florida. Taxon Subfamily Specimen No. Position APL TW Source

Ancylotherium cheboitense Schizotheriinae BAR 246.00 m1 30.5 18 Guerin and Pickford (2005)

Ancylotherium pentelicum Schizotheriinae BSPG AS II 147 m1 40.4 24.3 Coombs (2009) BSPG AS II 147 m2 52.4 30

Anisodon sp. Chalicotheriinae DD 264 m1 28.3 18 Fahlke et al. (2013) (Dorn-Dürkheim 1) DD 467 m1 29.8 18.5

DD 4699 m1 27.6 18.1

DD 5830 m1 30.7 19.7

DD 5803 m2 37.5 21.2

Anisodon grande Chalicotheriinae r m1 30.6 18.7 Chavasseau et al. (2010)

Anisodon macedonicus Chalicotheriinae DKO 234 m1 26.8 17.2 Chavasseau et al. (2010)

Butleria rusingense Chalicotheriinae F3608 m1 18.3 14 Butler (1965) F3608 m2 23.8 13

R1782.50 m2 26.4 14

Moropus cf. oregonensis Schizotheriinae LSUMG -V 2489 m1 24.6 13.5 Coombs et al. (2001) (Toledo Bend, TX, USA)

Chalicotherium brevirostris Chalicotheriinae IVPP V 16308 m1 27.4 17.4 Liu and Zhang (2012) IVPP V 16309.1 m1 29.3 18.2

IVPP V 16308 m2 36.3 21.8

IVPP V 16309.1 m2 38.1 22.5

TABLE S1 (Continued) Taxon Subfamily Specimen No. Position APL TW Source

Chalicotherium goldfussi Chalicotheriinae r m1 37.2 22 Chavasseau et al. (2010)

Chalicotherium salinum Chalicotheriinae AMNH 19577 m1 27 17 Chavasseau et al. (2010) GSP 23046 m1 17.4 10.4

GSP 6006 m1 24.8 14.19

GSP 9665 m1 19.1 10.7

Chalicotherium wuduensis Chalicotheriinae XBDD 48Wd0079 m1 30.1 17.9 Xue and Coombs (1985)

Metaschizotherium bavaricum Schizotheriinae BSPG 1959 II 11604 m1 28.9 15.9 Coombs (2009) BSPG 1959 II 11605 m1 30.5 15.2

BSPG 1959 II 11606 m1 28.4 16

BSPG 1959 II 11607 m1 26 14.3

BSPG 1959 II 2508R m1 29.6 15.9

BSPG 1959 II 2509L m1 28.4 16

BSPG 1959 II 293 m1 29.5 16

BSPG 1959 II 293 m1 28.5 14.9

BSPG 1959 II 11604 m2 28.6 19.8

BSPG 1959 II 11605 m2 38.4 19.4

BSPG 1959 II 11606 m2 39.9 21.9

BSPG 1959 II 11607 m2 35.4 19.5

BSPG 1959 II 2508R m2 38.1 19.4

BSPG 1959 II 2509L m2 38.2 19.9

Metaschizotherium fraasi Schizotheriinae NMA 86 -373 m1 30.9 17.4 Coombs (2009) SMNS 4773 m2 41.9 21.5

SMNS 4773a m2 41 21.2

TABLE S1. (Continued) Taxon Subfamily Specimen No. Position APL TW Source Moropus elatus Schizotheriinae CM 1604 m1 36 24 Holland and Peterson (1914) FMNH 1444 m1 33.4 21.9 UF Cast Collection

CM 1604 m2 47 27 Holland and Peterson (1914)

FMNH 1444 m2 45.3 25.8 UF Cast Collection

Moropus cf. oregonensis Schizotheriinae UF cast 180233 m1 17.9 10.8 Coombs et al. (2001) (St. Marks River, FL, USA) UF cast 180233 m2 24 12.4

Phyllotillon nariscus Schizotheriinae BMNH M12164A m1 28.6 16 Coombs (2009) BMNH M12165B m1 27.3 17.6

BMNH M12164A m2 41.5 20.6

BMNH M12165B m2 38.1 20.8

Schizotherium avitum Schizotheriinae AMNH 10336 m1 20.8 11.5 Coombs (1978) LPGIN 21-1 m1 17 10

AMNH 10336 m2 28 13

LPGIN 21-1 m2 22 11

Schizotherium priscum Schizotheriinae AMNH 10495 m1 20.2 13.7 Coombs (1978) AMNH 10495 m2 26.6 14.4

Abbreviations: AMNH, American Museum of Natural History, New York, U.S.A.; BAR, Kipsaraman Museum, Baringo District, Kenya; BMNH, British Museum of Natural History, London, United Kingdom; BSPG, Bayerische Staatsammlung für Paläontologie und Geologie, Munich; CM, Carnegie Museum of Natural History, Pittsburgh, U.S.A.; DD, Dorn-Dürkheim 1 collection of the Senckenberg Museum Frankfurt am Main, Germany; DKO, Dytiko Greece; F, specimens registered with National Museum of Kenya at time of publication of Butler (1965); FMNH, Field Museum of Natural History, Chicago, U.S.A.; GSP, Geological Survey of Pakistan, Quetta, Pakistan; IVPP, Institute of Vertebrate Paleontology and Paleoanthropology, Beijing, China; LPGIN, Paleontological Laboratory of the Geological Institute of the Academy of Sciences, Ulan Bator, Mongolia; LSUMG, Louisiana State University Museum of Geoscience, Baton Rouge, U.S.A.; NMA, Naturmuseum Augsburg, Augsburg, Germany; SMNS, Staatliches Museum für Naturkunde, Ludwigsburg/Stuttgart, Germany; R, Rusinga, Kenya, field numbers at time of publication of Butler (1965); r, calculated from midpoint of published ranges of lengths and widths; UF, Florida Museum of Natural History, Gainesville, U.S.A.; XBDD, Northwest University Geological Department, Xian, China. 5

LITERATURE CITED

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