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Eubrontes minusculus
Taxonomy
Ornithichnites minusculus was named by Hitchcock (1837). It is considered to be a form taxon. Its type specimen is AC 16/1, 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 Brontozoum minusculum by Hitchcock (1858), Deane (1861), Hitchcock (1871), Hitchcock (1889), Lyman (1894) and Hitchcock (1898); it was recombined as Eubrontes minusculus by Hay (1902), Weems (1992), Gierlinski (1996) and Gierlinski and Pienkowski (1999); it was recombined as Anchisauripus minusculus by Lull (1904), Lull (1915), Lull (1917), Hitchcock and Grier (1927), Hay (1930), Lull (1953), Young (1960), Kuhn (1963), Haubold (1971), Thulborn (1990), Gand et al. (2000) and Fujita et al. (2008); it was recombined as Grallator (Anchisauripus) minusculus by Olsen and Galton (1984); it was considered a nomen dubium by Baird (1957); it was misspelled as Anchisauripus minuscolus by Olsen (1980) and Lockley (1986); it was recombined as Grallator minusculus by Demathieu and Sciau (1992), Demathieu (1993), Demathieu et al. (2002), Demathieu (2003), Gand et al. (2005), Gand et al. (2005), Bessedik et al. (2008), Moreau et al. (2012), Moreau et al. (2014), Moreau et al. (2017), Moreau et al. (2018), Moreau et al. (2019) and Bessedik et al. (2020).
It was recombined as Brontozoum minusculum by Hitchcock (1858), Deane (1861), Hitchcock (1871), Hitchcock (1889), Lyman (1894) and Hitchcock (1898); it was recombined as Eubrontes minusculus by Hay (1902), Weems (1992), Gierlinski (1996) and Gierlinski and Pienkowski (1999); it was recombined as Anchisauripus minusculus by Lull (1904), Lull (1915), Lull (1917), Hitchcock and Grier (1927), Hay (1930), Lull (1953), Young (1960), Kuhn (1963), Haubold (1971), Thulborn (1990), Gand et al. (2000) and Fujita et al. (2008); it was recombined as Grallator (Anchisauripus) minusculus by Olsen and Galton (1984); it was considered a nomen dubium by Baird (1957); it was misspelled as Anchisauripus minuscolus by Olsen (1980) and Lockley (1986); it was recombined as Grallator minusculus by Demathieu and Sciau (1992), Demathieu (1993), Demathieu et al. (2002), Demathieu (2003), Gand et al. (2005), Gand et al. (2005), Bessedik et al. (2008), Moreau et al. (2012), Moreau et al. (2014), Moreau et al. (2017), Moreau et al. (2018), Moreau et al. (2019) and Bessedik et al. (2020).
Synonyms
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Synonymy list
Year | Name and author |
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1837 | Ornithichnites minusculus Hitchcock p. 175 fig. 8 |
1858 | Brontozoum minusculum Hitchcock p. 65 figs. Pls. 11, 40-42, 57 |
1858 | Brontozoum tuberatum Hitchcock p. 66 figs. Pls. 11, 52 |
1861 | Brontozoum minusculum Deane p. 41 |
1871 | Brontozoum minusculum Hitchcock p. xxi |
1871 | Brontozoum tuberatum Hitchcock p. xxi |
1889 | Brontozoum tuberatum Hitchcock p. 118 |
1889 | Plesiornis giganteus Hitchcock p. 118 |
1889 | Brontozoum minusculum Hitchcock p. 126 |
1894 | Brontozoum minusculum Lyman p. 205 |
1894 | Brontozoum tuberatum Lyman p. 206 |
1898 | Brontozoum minusculum Hitchcock p. 401 |
1898 | Brontozoum tuberatum Hitchcock p. 401 |
1898 | Plesiornis giganteus Hitchcock p. 401 |
1902 | Eubrontes minusculus Hay p. 544 |
1902 | Eubrontes tuberatus Hay p. 544 |
1902 | Plesiornis giganteus Hay p. 550 |
1904 | Anchisauripus minusculus Lull p. 490 fig. 8 |
1904 | Anchisauripus tuberatus Lull p. 491 fig. 10 |
1915 | Anchisauripus minusculus Lull p. 185 fig. 42 |
1915 | Eubrontes tuberatus Lull p. 199 |
1917 | Anchisauripus minusculus Lull p. 114 |
1917 | Eubrontes tuberatus Lull p. 116 |
1927 | Anchisauripus minusculus Hitchcock and Grier p. 191 |
1930 | Anchisauripus minusculus Hay p. 3 |
1930 | Anchisauripus tuberatus Hay p. 3 |
1930 | Plesiornis giganteus Hay p. 19 |
1953 | Anchisauripus minusculus Lull p. 174 |
1953 | Eubrontes tuberatus Lull p. 183 |
1960 | Anchisauripus minusculus Young p. 61 |
1963 | Anchisauripus minusculus Kuhn p. 80 |
1963 | Plesiornis giganteus Kuhn p. 83 |
1963 | Eubrontes tuberatus Kuhn p. 84 |
1971 | Anchisauripus minusculus Haubold p. 65 |
1971 | Eubrontes tuberatus Haubold p. 75 |
1975 | Eubrontes tuberatus Sarjeant p. 296 |
1980 | Anchisauripus minuscolus Olsen p. 35 |
1984 | Grallator (Anchisauripus) minusculus Olsen and Galton p. 98 fig. 4 |
1986 | Anchisauripus minisculus Lockley p. 19 |
1990 | Anchisauripus minusculus Thulborn p. 149 |
1992 | Grallator minusculus Demathieu and Sciau p. 1562 |
1992 | Eubrontes minusculus Weems p. 124 |
1993 | Grallator minusculus Demathieu p. 232 |
1996 | Eubrontes minusculus Gierlinski p. 179 |
1999 | Eubrontes minusculus Gierlinski and Pienkowski p. 336 |
2000 | Anchisauripus minusculus Gand et al. p. 616 |
2002 | Grallator minusculus Demathieu et al. p. 12 |
2003 | Grallator minusculus Demathieu p. 59 |
2005 | Grallator minusculus Gand et al. p. 32 |
2008 | Grallator minusculus Bessedik et al. p. 18 |
2008 | Anchisauripus minusculus Fujita et al. p. 42 |
2012 | Grallator minusculus Moreau et al. p. 234 |
2014 | Grallator minusculus Moreau et al. p. 365 |
2017 | Grallator minusculus Moreau et al. p. 784 |
2018 | Eubrontes tuberatus Gand et al. p. 199 |
2018 | Grallator minusculus Moreau et al. p. 37 |
2019 | Grallator minusculus Moreau et al. p. 348 |
2020 | Grallator minusculus Bessedik et al. p. 34 |
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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.
†Eubrontes minusculus Hitchcock 1837
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Invalid names: Eubrontes tuberatus Hitchcock 1858 [synonym], Plesiornis giganteus Hitchcock 1889 [synonym]
Diagnosis
Reference | Diagnosis | |
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R. S. Lull 1915 | Pes: Length of digit I, 100 mm.; II, 158 mm.; III, 192 mm.; IV, 223 mm.; foot exclusive of hallux, 307 mm., including hallux, 374 mm. Divarication of digits I and II, 140°; II and III, 24°; II and IV, 24.5°.
Length of step 1,000 mm. |
Measurements
No measurements are available
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Source: o = order | |||||
Reference: Marsh 1875 |
Age range: base of the Norian to the top of the Early/Lower Bathonian or 228.00000 to 164.70000 Ma
Collections (22 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Late/Upper Triassic | USA (New Jersey) | Brontozoum minusculum (91694) | |
Norian | USA (New Jersey) | Anchisauripus minuscolus (187287) | |
Rhaetian - Early/Lower Hettangian | France (Occitanie) | Grallator minusculus (206455) | |
Hettangian | Canada (Nova Scotia) | Grallator minusculus (227833) | |
Hettangian | USA (Massachusetts) | Anchisauripus minusculus (53024) Brontozoum tuberatum, Brontozoum minusculum (type locality: 52986) Eubrontes tuberatus (69798) | |
Hettangian | France (Region Midi-Pyrenees) | Grallator minusculus (31307 31308) | |
Early/Lower Hettangian | Canada (Nova Scotia) | Grallator minusculus (138978) | |
Late/Upper Hettangian | France (Languedoc-Roussillon) | Theropoda indet. (140450) | |
Hettangian - Sinemurian | USA (Connecticut) | Plesiornis giganteus (53000) | |
Hettangian - Sinemurian | USA (Massachusetts) | Anchisauripus minusculus (52994 52995 52996) Brontozoum minusculum (52985 52998 62844) Brontozoum tuberatum (52987 53025) | |
Hettangian - Pliensbachian | USA (Arizona) | Anchisauripus minusculus (225199) | |
Early/Lower Bathonian | France (Occitanie) | Grallator minusculus (223714) |