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![Single most parsimonious tree of 84 steps, CI = 0.917, RI = 0.972, using implicit enumeration. Values below branches are bootstrap support when >50%. The cladogram is supported by the following list of hypothesized ancestral synapomorphies (number to left of period denotes character number and number to right of period denotes character state). Node 1—1.2, 11.1, 17.1, 22.1, 26.2, 30.1, 33.1. Node 2—2.1, 18.4. Node 3—3.4, 4.1, 11.4. Node 4—5.1, 26.1. Node 5—34.1. Node 6—16.1, 36.1. Node 7—13.2. Node 8—26.3. Node 9—28.1, 37.1. Node 10—22.2, 23.2, 24.1, 26.5, 30.3, 34.3. Node 11—9.1, 29.1, 32.3, 35.1, 39.1. Node 12—8.1, 10.1, 13.2, 15.3, 25.1, 27.1, 30.2. Node 13—11.2, 18.3, 26.4. Node 14—3.2. Node 15—13.1, 14.1, 15.2, 16.2. Node 16—12.2. Node 17—38.3, 39.1, 40.1. Apomorphies for terminal taxa are: Basirepomys romensis 6.1, 21.1; Basirepomys robertsi 21.3; Basirepomys pliocenicus 21.2; Paronychomys lemredfieldi 21.1; Protorepomys bartlettensis 1.1, 3.1, 18.1, 23.1; Miotomodon mayi 26.3; Galushamys redingtonensis 3.3, 7.1, 11.3; Nelsonia goldmani 13.2; Neotoma lepida 7.2, 26.6; Neotoma cinerea 20.1.]()
![M1 (upper left in each quadruplet), M3 (lower left), m1 (upper right), and m3 (lower right) of species in cladistic analyses. Question mark indicates tooth position unknown. All occlusal views. (1) Copemys loxodon, LM1 (UCMP 317394, reversed), LM3 (UCMP 317400, reversed), Lm1 (UCMP 317625, reversed), Rm3 (UCMP 317546, reversed), photos by C. Ronez; (2) Basirepomys pliocenicus1, RM1 (LACM [CIT] 1968), Rm1 (LACM [CIT] 1966, holotype), from Wilson (1937); (3) Basirepomys romensis, LM1 (USNM 23564, reversed), Rm1, (USNM 23567, reversed), Lm3 (UMNH 23566), photos of E. Lindsay casts; (4) Basirepomys robertsi2, LM1 (UMNH VP 18749, reversed), Rm1 (UMNH VP 18751, holotype, reversed), Rm3 (UMNH VP 18752), from Korth and De Blieux (2010); (5) Paronychomys lemredfieldi, RM1 and RM3 (AMNH FAM 3249), Rm1 and Rm3 (AMNH FAM 3430, reversed), photos of E. Lindsay casts; (6) Paronychomys jacobsi, RM1 (LACM 156279), LM3 (LACM 156277, reversed), Lm1 (LACM 156289), Lm3 (LACM 156287), photos by T. Kelly; (7) Protorepomys bartlettensis, LM1 (UO 24957, reversed), LM3 (UO 25078, reversed), Lm1 (UO 25591); photos by K. Tate-Jones, Lm3 (UO 21720), from Shotwell (1967); (8) Protorepomys mckayensis, RM1 (UO 26942), Lm1 (UO 24603), Rm3 (UO 21720), photos by K. Tate-Jones; (9) Miotomodon mayi2, LM1 (UCMP 82669, reversed), LM3 (UCMP 83672, reversed), Lm1 (UCMP 82671), from Korth (2011); (10) Tsaphanomys shotwelli, LM1 (UO 21716, reversed), photo by K. Tate-Jones; Lm1 (UO 21719), Lm3 (UO 21270), from Korth2 (2011); (11) Lindsaymys takeuchii Kelly and Whistler, 2014, RM1 (LACM 126050, holotype), RM3 (LACM 156397), Rm1 (LACM 156394, reversed), Lm3 (LACM 156521), photos by T. Kelly; (12) Neotoma (Paraneotoma) quadriplicata Hibbard, 1941, LM1 (UMMP 41198, reversed); photo by A. Rountrey; LM3 (UMMP 41196, reversed), Rm1 (FHSM 14330, reversed), Rm3 (UMMP 41196), photos by R. Zakrzewski; (13) Neotoma cinerea occidentalis Baird, 1855, RM1 and RM3 (MVZ 69441), Lm1 and Lm3 (MVZ 69441), photos by Jessica Blois, UC Merced; (14) Neotoma lepida lepida3, LM1 and LM3 (MVZ 10438, reversed), Rm1 and Rm3 (MVZ 10438, reversed), photos by C. Conroy; (15) Hodomys alleni, LM1 and LM3 (IBUNAM:CNMA 8912, reversed), from Silva and Cuenca (2020a), Rm1 and Rm3 (IBUNAM:CNMA 46970, reversed), from Cervantes et al. (2016a); (16) Xenomys nelsoni Merriam, 1898 (Merriam, 1898a), LM1 and LM3 (IBUNAM:CNMA 5829, reversed), from Silva and Cuenca (2020b); Rm1 and Rm3 (IBUNAM:CNMA 42968, reversed), from Cervantes et al. (2016b); (17) Galushamys redingtonensis, RM1 (UALP 6013), RM3 (UALP 6020), Rm1 (UALP 6013, reversed), photos by T. Kelly; (18) Repomys gustelyi2 May, 1981, LM1 (UCR 20147= UCMP 320147, reversed), RM3 (UCR 20156 = UCMP 320156), Lm1 (UCR 20158 = UCMP 320158), Rm3 (UCR 20178 =UCMP 320178, reversed), from May (1981); (19) Nelsonia goldmani Merriam, 1903, RM1 (USNM 125816), LM3 (USNM 90893, reversed), Lm1 (USNM 125816), Lm3 (USNM 125602), photos by C. Ronez. 1With permission of the Carnegie Institution for Science; 2with permission from Taylor & Francis; 3with permission of the Museum of Vertebrate Zoology Archives, University of California, Berkeley. Not to scale, all specimens adjusted to equal size for comparison.]()
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Journal Article
Phylogenetic positions of Paronychomys Jacobs and Basirepomys Korth and De Blieux relative to the tribe Neotomini (Rodentia, Cricetidae) Available to Purchase
Journal: Journal of Paleontology
Publisher: Paleontological Society
Published: 01 May 2022
Journal of Paleontology (2022) 96 (3): 692–705.
... , Galushamys , Miotomodon , Repomys , Nelsonia ). The extinct Miocene Lindsaymys was proposed as a possible early neotominan, but not formally included in the Neotomini. In other studies, two extinct genera, Basirepomys and Paronychomys , occasionally have been treated as related to neotominans...
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Representative species of genera included in cladistic analysis (†, extinct... Available to Purchase
in Phylogenetic positions of Paronychomys Jacobs and Basirepomys Korth and De Blieux relative to the tribe Neotomini (Rodentia, Cricetidae)
> Journal of Paleontology
Published: 01 May 2022
Table 2. Representative species of genera included in cladistic analysis (†, extinct). Taxon/author † Copemys loxodon (Cope, 1874 )—type species (outgroup) † Basirepomys pliocenicus (Wilson, 1937 )—type species † Basirepomys robertsi Korth and De Blieux, 2010
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Single most parsimonious tree of 84 steps, CI = 0.917, RI = 0.972, using im... Available to Purchase
in Phylogenetic positions of Paronychomys Jacobs and Basirepomys Korth and De Blieux relative to the tribe Neotomini (Rodentia, Cricetidae)
> Journal of Paleontology
Published: 01 May 2022
, 29.1, 32.3, 35.1, 39.1. Node 12—8.1, 10.1, 13.2, 15.3, 25.1, 27.1, 30.2. Node 13—11.2, 18.3, 26.4. Node 14—3.2. Node 15—13.1, 14.1, 15.2, 16.2. Node 16—12.2. Node 17—38.3, 39.1, 40.1. Apomorphies for terminal taxa are: Basirepomys romensis 6.1, 21.1; Basirepomys robertsi 21.3; Basirepomys
Journal Article
JPA volume 96 issue 3 Cover and Front matter Available to Purchase
Journal: Journal of Paleontology
Publisher: Paleontological Society
Published: 01 May 2022
Journal of Paleontology (2022) 96 (3): f1–f2.
.... Almonte Milan, and Jonathan I. Bloch The oldest known record of a ground sloth (Mammalia, Xenarthra, Folivora) from Hispaniola: evolutionary and paleobiogeographical implications 692 Thomas S. Kelly and Robert A. Martin Phylogenetic positions of Paronychomys Jacobs and Basirepomys Korth and De Blieux...
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![M1 (upper left in each quadruplet), M3 (lower left), m1 (upper right), and m3 (lower right) of species in cladistic analyses. Question mark indicates tooth position unknown. All occlusal views. (1) Copemys loxodon, LM1 (UCMP 317394, reversed), LM3 (UCMP 317400, reversed), Lm1 (UCMP 317625, reversed), Rm3 (UCMP 317546, reversed), photos by C. Ronez; (2) Basirepomys pliocenicus1, RM1 (LACM [CIT] 1968), Rm1 (LACM [CIT] 1966, holotype), from Wilson (1937); (3) Basirepomys romensis, LM1 (USNM 23564, reversed), Rm1, (USNM 23567, reversed), Lm3 (UMNH 23566), photos of E. Lindsay casts; (4) Basirepomys robertsi2, LM1 (UMNH VP 18749, reversed), Rm1 (UMNH VP 18751, holotype, reversed), Rm3 (UMNH VP 18752), from Korth and De Blieux (2010); (5) Paronychomys lemredfieldi, RM1 and RM3 (AMNH FAM 3249), Rm1 and Rm3 (AMNH FAM 3430, reversed), photos of E. Lindsay casts; (6) Paronychomys jacobsi, RM1 (LACM 156279), LM3 (LACM 156277, reversed), Lm1 (LACM 156289), Lm3 (LACM 156287), photos by T. Kelly; (7) Protorepomys bartlettensis, LM1 (UO 24957, reversed), LM3 (UO 25078, reversed), Lm1 (UO 25591); photos by K. Tate-Jones, Lm3 (UO 21720), from Shotwell (1967); (8) Protorepomys mckayensis, RM1 (UO 26942), Lm1 (UO 24603), Rm3 (UO 21720), photos by K. Tate-Jones; (9) Miotomodon mayi2, LM1 (UCMP 82669, reversed), LM3 (UCMP 83672, reversed), Lm1 (UCMP 82671), from Korth (2011); (10) Tsaphanomys shotwelli, LM1 (UO 21716, reversed), photo by K. Tate-Jones; Lm1 (UO 21719), Lm3 (UO 21270), from Korth2 (2011); (11) Lindsaymys takeuchii Kelly and Whistler, 2014, RM1 (LACM 126050, holotype), RM3 (LACM 156397), Rm1 (LACM 156394, reversed), Lm3 (LACM 156521), photos by T. Kelly; (12) Neotoma (Paraneotoma) quadriplicata Hibbard, 1941, LM1 (UMMP 41198, reversed); photo by A. Rountrey; LM3 (UMMP 41196, reversed), Rm1 (FHSM 14330, reversed), Rm3 (UMMP 41196), photos by R. Zakrzewski; (13) Neotoma cinerea occidentalis Baird, 1855, RM1 and RM3 (MVZ 69441), Lm1 and Lm3 (MVZ 69441), photos by Jessica Blois, UC Merced; (14) Neotoma lepida lepida3, LM1 and LM3 (MVZ 10438, reversed), Rm1 and Rm3 (MVZ 10438, reversed), photos by C. Conroy; (15) Hodomys alleni, LM1 and LM3 (IBUNAM:CNMA 8912, reversed), from Silva and Cuenca (2020a), Rm1 and Rm3 (IBUNAM:CNMA 46970, reversed), from Cervantes et al. (2016a); (16) Xenomys nelsoni Merriam, 1898 (Merriam, 1898a), LM1 and LM3 (IBUNAM:CNMA 5829, reversed), from Silva and Cuenca (2020b); Rm1 and Rm3 (IBUNAM:CNMA 42968, reversed), from Cervantes et al. (2016b); (17) Galushamys redingtonensis, RM1 (UALP 6013), RM3 (UALP 6020), Rm1 (UALP 6013, reversed), photos by T. Kelly; (18) Repomys gustelyi2 May, 1981, LM1 (UCR 20147= UCMP 320147, reversed), RM3 (UCR 20156 = UCMP 320156), Lm1 (UCR 20158 = UCMP 320158), Rm3 (UCR 20178 =UCMP 320178, reversed), from May (1981); (19) Nelsonia goldmani Merriam, 1903, RM1 (USNM 125816), LM3 (USNM 90893, reversed), Lm1 (USNM 125816), Lm3 (USNM 125602), photos by C. Ronez. 1With permission of the Carnegie Institution for Science; 2with permission from Taylor & Francis; 3with permission of the Museum of Vertebrate Zoology Archives, University of California, Berkeley. Not to scale, all specimens adjusted to equal size for comparison.](https://gsw.silverchair-cdn.com/gsw/Content_public/Journal/jpaleontol/96/3/10.1017_jpa.2021.121/2/s_s0022336021001219_fig2.png?Expires=2147483647&Signature=3POE3VlP~Rd9N0aYN8SRKTfAXWktyNSFIWL-mZoBE1Z9EHFPEm9LjN2YpNPkddaCASk6JHhqDik0TwbcewfmyQyc7EYKqXEhobRQ-quNUFHCKhzHomCb3KEy2e4va0fCrhizYKl9jWZddx0QAcqnIvcczOhN3HPMwsX0BmND1KErMAiso3D9or9dsfzCPWD4A~bWm9UrT8mnscjDv6KwQG8rqEUGWGboyZYXoUGFhuH~HhUUuFXCelpotsdGnRfoPfV9hW4nfQXFdiqfuUuN0Hyu1D6Yc0IMRbJOLfoSpScnz5PIjbdZFzM~vLM4QyiaPC-KrI3-BvNkj9DFJmV80w__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA)
M1 (upper left in each quadruplet), M3 (lower left), m1 (upper right), and ... Available to Purchase
in Phylogenetic positions of Paronychomys Jacobs and Basirepomys Korth and De Blieux relative to the tribe Neotomini (Rodentia, Cricetidae)
> Journal of Paleontology
Published: 01 May 2022
317625, reversed), Rm3 (UCMP 317546, reversed), photos by C. Ronez; ( 2 ) Basirepomys pliocenicus 1 , RM1 (LACM [CIT] 1968), Rm1 (LACM [CIT] 1966, holotype), from Wilson ( 1937 ); ( 3 ) Basirepomys romensis , LM1 (USNM 23564, reversed), Rm1, (USNM 23567, reversed), Lm3 (UMNH 23566), photos of E
Journal Article
Two Asian cricetodontine-like muroid rodents from the Neogene of western North America Available to Purchase
Journal: Journal of Paleontology
Publisher: Paleontological Society
Published: 01 May 2023
Journal of Paleontology (2023) 97 (3): 735–753.
..., are now considered “microtoid-like” cricetids of uncertain ancestry by Fejfar et al. ( 2011 ). Paronychomys and Basirepomys recently have been shown to be ancient sister groups to the Neotomini, unrelated to either Onychomys or Repomys (Kelly and Martin, 2022 ), and Onychomys and its extinct...
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