TABLE 1 in Interspecific competition in ictitheres (Carnivora: Hyaenidae) from the Late Miocene of Eurasia
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TABLE 1. — Body mass comparison (in kg; range, average and number of specimens) between Ictitherium viverrinum Roth, 1854 and Hyaenictitherium wongii (Zdansky, 1924) based on their skull length and m1 length using the equations given in Van Valkenburgh (1990) for canids.Data for fossil species and Canis lupus Linnaeus, 1758 from personal data and Semenov (1989). Data for Canis aureus Linnaeus, 1758 from Stoyanov (2012). Ictitherium viverrinum Roth, 1854Hyaenictitherium wongii (Zdansky, 1924)Canis aureus Linnaeus, 1758Canis lupus Linnaeus, 1758BM (SKL)9.81-28.18 16.84 (n = 7)17.54-25.21 20.78 (n = 5)10.82-17.16 13.48 (n = 148)27.88-49.02 37.39 (n = 13)BM (m1L)9.05-13.01 11.07 (n = 30)11.72-17.19 14.20 (n = 30)10.80-14.83 12.81 (n = 148)15.97-27.61 22.82 (n = 10)
表1. —— 基于Van Valkenburgh(1990)提出的犬科动物体重(body mass, BM)估算公式,通过头骨长度(skull length, SKL)与第一下臼齿长度(first lower molar length, m1L),对1854年Roth命名的伊氏鬣狗(*Ictitherium viverrinum* Roth, 1854)、1924年Zdansky命名的翁氏鬣狗犬(*Hyaenictitherium wongii* (Zdansky, 1924))、1758年Linnaeus命名的金豺(*Canis aureus* Linnaeus, 1758)以及灰狼(*Canis lupus* Linnaeus, 1758)开展的体重对比研究,数据单位为千克,包含取值范围、均值及样本量。本研究中化石物种与灰狼的数据来自个人实测数据集及Semenov(1989)的研究成果;金豺的数据来源于Stoyanov(2012)的公开数据。 伊氏鬣狗(*Ictitherium viverrinum* Roth, 1854) 翁氏鬣狗犬(*Hyaenictitherium wongii* (Zdansky, 1924)) 金豺(*Canis aureus* Linnaeus, 1758) 灰狼(*Canis lupus* Linnaeus, 1758) 基于头骨长度的体重估算值(BM(SKL)) 9.81~28.18 16.84 (n = 7) 17.54~25.21 20.78 (n = 5) 10.82~17.16 13.48 (n = 148) 27.88~49.02 37.39 (n = 13) 基于第一下臼齿长度的体重估算值(BM(m1L)) 9.05~13.01 11.07 (n = 30) 11.72~17.19 14.20 (n = 30) 10.80~14.83 12.81 (n = 148) 15.97~27.61 22.82 (n = 10)



