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Kayentapus minor
Taxonomy
Gigantitherium minus was named by Hitchcock (1858). It is considered to be a form taxon. Its type specimen is AC 1/3, a footprint, and it is a trace fossil. Its type locality is Lily Pond Quarry, Gill, which is in a Hettangian fluvial-lacustrine siltstone/sandstone in the Turners Falls Formation of Massachusetts.
It was recombined as Apatichnus minus by Lull (1904); it was recombined as Apatichnus minor by Lull (1915), Lull (1917), Hay (1930), Lull (1953), Kuhn (1963), Haubold (1969), Haubold (1971), Weems (1987); it was recombined as Kayentapus minor by Weems (1992), Irby (1996), Mietto et al. (2000), Weems (2006), Weems (2006), Weems et al. (2007), Milner et al. (2009), Li et al. (2010), Xing et al. (2011), Lockley et al. (2011), Petti et al. (2011), Xing et al. (2015), Wagensommer et al. (2016), Sciscio et al. (2017), Peng et al. (2023).
It was recombined as Apatichnus minus by Lull (1904); it was recombined as Apatichnus minor by Lull (1915), Lull (1917), Hay (1930), Lull (1953), Kuhn (1963), Haubold (1969), Haubold (1971), Weems (1987); it was recombined as Kayentapus minor by Weems (1992), Irby (1996), Mietto et al. (2000), Weems (2006), Weems (2006), Weems et al. (2007), Milner et al. (2009), Li et al. (2010), Xing et al. (2011), Lockley et al. (2011), Petti et al. (2011), Xing et al. (2015), Wagensommer et al. (2016), Sciscio et al. (2017), Peng et al. (2023).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1858 | Gigantitherium minus Hitchcock p. 95 figs. Pls. 17, 41-42 |
| 1865 | Leptonyx lateralis Hitchcock p. 8 figs. Pl. 5:3 |
| 1871 | Gigantitherium minus Hitchcock p. xxi |
| 1871 | Leptonyx lateralis Hitchcock p. xxi |
| 1889 | Gigantitherium minus Hitchcock p. 118 |
| 1889 | Leptonyx lateralis Hitchcock p. 118 |
| 1894 | Leptonyx lateralis Lyman p. 205 |
| 1894 | Gigantitherium minus Lyman p. 206 |
| 1898 | Gigantitherium minus Hitchcock p. 401 |
| 1898 | Leptonyx lateralis Hitchcock p. 401 |
| 1902 | Leptonyx lateralis Hay p. 547 |
| 1904 | Stenonyx lateralis Lull p. 498 |
| 1904 | Apatichnus minus Lull p. 509 fig. 30 |
| 1915 | Stenonyx lateralis Lull pp. 205-206 fig. 58 |
| 1915 | Apatichnus minor Lull pp. 221-222 fig. 73 |
| 1917 | Stenonyx lateralis Lull p. 117 |
| 1917 | Apatichnus minor Lull p. 119 |
| 1927 | Stenonyx lateralis Hitchcock and Grier p. 194 |
| 1930 | Apatichnus minor Hay p. 5 |
| 1930 | Stenonyx lateralis Hay p. 21 |
| 1953 | Stenonyx lateralis Lull p. 159 |
| 1953 | Apatichnus minor Lull p. 203 fig. 71 |
| 1963 | Stenonyx lateralis Kuhn pp. 78-79 |
| 1963 | Apatichnus minor Kuhn p. 91 |
| 1969 | Apatichnus minor Haubold p. 100 fig. 8 |
| 1971 | Stenonyx lateralis Haubold p. 68 |
| 1971 | Apatichnus minor Haubold p. 85 |
| 1971 | Stenonyx lateralis Welles p. 31 |
| 1974 | Stenonyx lateralis Haubold p. 131 |
| 1987 | Apatichnus minor Weems pp. 15-16 |
| 1990 | Stenonyx lateralis Thulborn p. 156 |
| 1992 | Kayentapus minor Weems p. 124 |
| 1996 | Kayentapus minor Irby p. 156 |
| 2000 | Kayentapus minor Mietto et al. p. 67 |
| 2002 | Stenonyx lateralis Gierlinski and Niedzwiedzki p. 467 |
| 2006 | Kayentapus minor Weems p. 376 |
| 2007 | Kayentapus minor Weems et al. p. 292 |
| 2009 | Kayentapus minor Milner et al. p. 7 |
| 2010 | Kayentapus minor Li et al. p. 734 fig. 6 |
| 2011 | Kayentapus minor Lockley et al. p. 335 |
| 2011 | Kayentapus minor Petti et al. p. 37 |
| 2011 | Kayentapus minor Xing et al. p. 474 |
| 2015 | Kayentapus minor Xing et al. p. 4 |
| 2016 | Kayentapus minor Wagensommer et al. p. 167 |
| 2017 | Kayentapus minor Sciscio et al. p. 17 fig. 6 |
| 2023 | Kayentapus minor Peng et al. p. 268 |
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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.
†Kayentapus minor Hitchcock 1858
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Invalid names: Stenonyx lateralis Hitchcock 1865 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order | |||||
| Reference: Marsh 1875 | |||||
Age range: base of the Lacian to the top of the Hettangian or 221.50000 to 199.30000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Norian | USA (Virginia) | Kayentapus minor (105551) | |
| Lacian - Alaunian | USA (Virginia) | Eubrontes divaricatus (68890) Kayentapus minor (68889) | |
| Hettangian | USA (Massachusetts) | Leptonyx lateralis, Gigantitherium minus (type locality: 52986) | |
| Hettangian - Sinemurian | USA (Massachusetts) | Apatichnus minor (52994 52998) |