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Taxonomy
Homiphoca was named by Muizon and Hendey (1980).
It was assigned to Lobodontina by McKenna and Bell (1997); to Phocidae by Berta (2002), Deméré et al. (2003), Berta (2009), Werdelin and Peigne (2010), Avery and Klein (2011); to Lobodontini by Muizon and Hendey (1980), Muizon (1981), Muizon (1982), Koretsky (2001), Koretsky and Barnes (2008), Fulton and Strobeck (2010), Amson and Muizon (2013), Govender (2018), Berta et al. (2018); and to Monachinae by Rice (1998), Koretsky and Ray (2008), Berta (2017), Dewaele et al. (2018), Berta (2018), Kienle and Berta (2019), Hafed et al. (2023), Hafed et al. (2024).
It was assigned to Lobodontina by McKenna and Bell (1997); to Phocidae by Berta (2002), Deméré et al. (2003), Berta (2009), Werdelin and Peigne (2010), Avery and Klein (2011); to Lobodontini by Muizon and Hendey (1980), Muizon (1981), Muizon (1982), Koretsky (2001), Koretsky and Barnes (2008), Fulton and Strobeck (2010), Amson and Muizon (2013), Govender (2018), Berta et al. (2018); and to Monachinae by Rice (1998), Koretsky and Ray (2008), Berta (2017), Dewaele et al. (2018), Berta (2018), Kienle and Berta (2019), Hafed et al. (2023), Hafed et al. (2024).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1980 | Homiphoca Muizon and Hendey p. 94 figs. Fig. 1-14 |
| 1981 | Homiphoca Muizon p. 135 |
| 1982 | Homiphoca Muizon p. 205 figs. Table 1 |
| 1997 | Homiphoca McKenna and Bell p. 260 |
| 1998 | Homiphoca Rice |
| 2001 | Homiphoca Koretsky p. 87 |
| 2002 | Homiphoca Berta p. 923 |
| 2003 | Homiphoca Deméré et al. p. 49 figs. Fig. 3.3 |
| 2008 | Homiphoca Koretsky and Barnes p. 552 |
| 2008 | Homiphoca Koretsky and Ray p. 118 |
| 2009 | Homiphoca Berta p. 863 |
| 2010 | Homiphoca Fulton and Strobeck p. 817 figs. Figure 1 |
| 2010 | Homiphoca Werdelin and Peigne p. 647 |
| 2011 | Homiphoca Avery and Klein p. 16 |
| 2013 | Homiphoca Amson and Muizon |
| 2017 | Homiphoca Berta p. 157 |
| 2018 | Homiphoca Berta p. 715 figs. Fig. 3C |
| 2018 | Homiphoca Berta et al. p. 210 figs. Fig. 2 |
| 2018 | Homiphoca Dewaele et al. p. 12 |
| 2018 | Homiphoca Govender p. 2 |
| 2019 | Homiphoca Kienle and Berta |
| 2023 | Homiphoca Hafed et al. |
| 2024 | Homiphoca Hafed et al. |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
G. †Homiphoca Muizon and Hendey 1980
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†Homiphoca capensis Hendey and Repenning 1972
†Homiphoca murfreesi Hafed et al. 2023
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. B. Hafed et al. 2023 | Similar to morphology of Monachus mandible but unlike those of Lobodontini (Muizon De and Hendey 1980). Mandibular symphy- sis thick, oval in outline, its long axis inclined dorsoventrally; premolars distinct from those of Monachus, being lower-crowned, relatively narrower, and with pronounced lingual expansion of cingulum (unlike in Monachus); small accessory cusps present on premolars. Additional diagnostic characters described by Govender (2018) include single-rooted first premolar and double-rooted p2- m1, similar character also observed in SAM-PQHB-1038, ‘E’ Quarry Homiphoca, aff. Homiphoca (Lee Creek Mine), Hadrokirus, Pliophoca, Acrophoca, Sarcodectes magnus, Piscophoca, Monachus, and Ross (Ommatophoca rossii), Weddell (Leptonychotes weddellii), leopard (Hydrurga leptonyx), and crabea- ter (Lobodon carcinophaga) seals. |
Measurements
No measurements are available
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| Source: f = family, c = class, uc = unranked clade | |||||
| References: Carreño and Cronin 1993, Gingerich 2003, Nowak 1991, Hendy et al. 2009 | |||||
Age range: base of the Late/Upper Hemphillian to the top of the Early/Lower Pliocene or 9.40000 to 3.60000 Ma
Collections (19 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Miocene - Pliocene | South Africa | H. capensis (22220 22228 22229) | |
| Tortonian | USA (Maryland) | H. sp. (221449) | |
| Late/Upper Miocene | South Africa | H. capensis (22219) | |
| Late/Upper Hemphillian - Zanclean | USA (Florida) | H. capensis (18535) | |
| Messinian | USA (Virginia) | H. capensis (179732) | |
| Messinian - Piacenzian | South Africa (Cape) | Prionodelphis capensis (59167) | |
| Early/Lower Pliocene | South Africa | H. capensis (115226) | |
| Early/Lower Pliocene | Spain | Homiphoca indet. (197273) | |
| Early/Lower Pliocene | Spain (Huelva) | H. sp. (200406) | |
| Zanclean | South Africa | H. capensis (22221 22222 22227 195017) H. sp. (100313) | |
| Zanclean | USA (North Carolina) | H. capensis (52582) | |
| Pliocene | South Africa | H. capensis (74791) | |
| Pliocene | USA (North Carolina) | H. murfreesi (123861) |