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Grallator tenuis
Taxonomy
Grallator tenuis was named by Hitchcock (1858). It is considered to be a form taxon. Its type specimen is AC 12/3-12/4, a footprint, and it is a trace fossil. Its type locality is below Turners Falls, tracksite, which is in a Hettangian/Sinemurian fluvial-lacustrine sandstone/shale in the Portland Formation of Massachusetts.
Sister species lacking formal opinion data
Synonyms
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Synonymy list
Year | Name and author |
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1858 | Grallator tenuis Hitchcock pp. 73, Pls. 13, 53 |
1858 | Grallator cuneatus Hitchcock p. 74 figs. Pls. 13, 41 |
1858 | Grallator formosus Hitchcock p. 75 |
1861 | Grallator tenuis Deane p. 36 |
1861 | Grallator cuneatus Deane p. 38 |
1861 | Grallator formosus Deane p. 39 |
1871 | Grallator cuneatus Hitchcock p. xxi |
1871 | Grallator formosus Hitchcock p. xxi |
1871 | Grallator tenuis Hitchcock p. xxi |
1889 | Grallator cuneatus Eyerman p. 32 |
1889 | Grallator tenuis Eyerman p. 32 |
1889 | Grallator cuneatus Hitchcock p. 118 |
1889 | Grallator formosus Hitchcock p. 118 |
1889 | Grallator tenuis Hitchcock p. 118 |
1894 | Grallator cuneatus Lyman p. 205 |
1894 | Grallator tenuis Lyman p. 205 |
1894 | Grallator formosus Lyman p. 206 |
1898 | Grallator cuneatus Hitchcock p. 401 |
1898 | Grallator formosus Hitchcock p. 401 |
1898 | Grallator tenuis Hitchcock p. 401 |
1902 | Grallator cuneatus Hay p. 545 |
1902 | Grallator formosus Hay p. 545 |
1902 | Grallator tenuis Hay p. 545 |
1904 | Anchisauripus hitchcocki Lull p. 488 fig. 5 |
1904 | Grallator cuneatus Lull pp. 495-496 |
1904 | Grallator tenuis Lull p. 495 fig. 14 |
1904 | Grallator formosus Lull p. 496 |
1915 | Anchisauripus hitchcocki Lull p. 182 fig. 39 |
1915 | Grallator tenuis Lull p. 201 fig. 54 |
1915 | Grallator cuneatus Lull p. 203 fig. 56 |
1915 | Grallator formosus Lull p. 205 fig. 57 |
1917 | Anchisauripus hitchcocki Lull p. 114 |
1917 | Grallator cuneatus Lull p. 116 |
1917 | Grallator tenuis Lull p. 116 |
1917 | Grallator formosus Lull p. 117 |
1927 | Anchisauripus hitchcocki Hitchcock and Grier p. 186 |
1927 | Grallator cuneatus Hitchcock and Grier p. 186 |
1929 | Grallator formosus Thorpe p. 298 |
1930 | Anchisauripus hitchcocki Hay p. 3 |
1930 | Grallator cuneatus Hay p. 13 |
1930 | Grallator formosus Hay p. 13 |
1930 | Grallator tenuis Hay p. 13 |
1937 | Grallator tenuis Anonymous p. 12 |
1952 | Grallator cuneatus Bock p. 402 |
1952 | Grallator tenuis Bock p. 402 |
1953 | Grallator tenuis Lull pp. 154-155 |
1953 | Grallator cuneatus Lull p. 157 |
1953 | Grallator formosus Lull p. 157 |
1953 | Anchisauripus hitchcocki Lull pp. 168-169 |
1957 | Grallator tenuis Baird p. 470 |
1958 | Grallator tenuis Kuhn p. 22 |
1963 | Grallator cuneatus Kuhn p. 78 |
1963 | Grallator formosus Kuhn p. 78 |
1963 | Grallator tenuis Kuhn p. 78 |
1963 | Anchisauripus hitchcocki Kuhn p. 81 |
1965 | Grallator formosus Nelson p. 7 |
1969 | Grallator cuneatus Haubold p. 100 fig. 8 |
1970 | Grallator tenuis Demathieu p. 184 |
1971 | Anchisauripus hitchcocki Haubold p. 65 |
1971 | Grallator cuneatus Haubold p. 67 |
1971 | Grallator formosus Haubold p. 67 |
1971 | Grallator tenuis Haubold p. 67 |
1971 | Grallator formosus Welles p. 29 |
1974 | Anchisauripus hitchcocki Haubold p. 128 |
1979 | Grallator tenuis Eriksen p. 6 |
1981 | Anchisauripus (Grallator) hitchcocki Olsen p. 558 |
1984 | Grallator (Anchisauripus) hitchcocki Olsen and Galton p. 98 fig. 4 |
1984 | Grallator formosus Thulborn and Wade p. 449 |
1986 | Grallator tenuis Lockley p. 22 |
1986 | Grallator (Anchisauripus) hitchcocki Lockley p. 36 |
1986 | Atreipus acadianus Olsen and Baird p. 698 fig. 6.3C |
1986 | Grallator cuneatus Pannell p. 22 |
1986 | Grallator formosus Pannell p. 22 |
1987 | Grallator cuneatus Weems p. 18 |
1989 | Atreipus acadianus Olsen p. 141 |
1990 | Grallator cuneatus Thulborn p. 156 |
1992 | Grallator tenuis Weems p. 124 |
1993 | Atreipus acadianus Thulborn p. 462 |
1999 | Grallator tenuis Gierlinski and Pienkowski p. 336 |
2000 | Atreipus acadianus Gand et al. p. 615 |
2000 | Anchisauripus hitchcocki Gand et al. p. 617 |
2002 | Atreipus acadianus Gierlinski and Niedzwiedzki p. 471 |
2003 | Atreipus acadianus Szajna and Hartline p. 266 |
2006 | Grallator tenuis Lockley and Eisenberg p. 267 |
2006 | Atreipus acadianus Thulborn p. 291 fig. 8 |
2006 | Atreipus acadianus Weems p. 372 |
2006 | Grallator tenuis Weishampel p. 132 |
2006 | Atreipus acadianus Weishampel p. 134 |
2015 | Grallator tenuis Pienkowski et al. p. 22 |
2016 | Grallator cuneatus Wagensommer et al. p. 171 |
2016 | Grallator tenuis Wagensommer et al. p. 171 |
2021 | Grallator tenuis Khosla and Bajpai p. 199 |
2021 | Atreipus acadianus Klein and Lucas p. 6 |
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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.
†Grallator tenuis Hitchcock 1858
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Invalid names: Anchisauripus hitchcocki Lull 1904 [synonym], Atreipus acadianus Olsen and Baird 1986 [synonym], Grallator cuneatus Hitchcock 1858 [synonym], Grallator formosus Hitchcock 1858 [synonym]
Diagnosis
Reference | Diagnosis | |
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R. S. Lull 1904 (Anchisauripus hitchcocki) | Divarication of digits I and II, 138°; of II and III, 19°; of III and IV, 14°; of II and IV, 33°. Length of digit II, .060 m.; of III, .088 m.; of IV, .075 m.; of the foot, exclusive of hallux, .119 m.; including the hallux, .140 m. Distance between lateral tips, .067 m. | |
R. S. Lull 1915 (Anchisauripus hitchcocki) | Pes: Length of digit II, 60 mm.; III, 88 mm.; IV, 75 mm.; foot exclusive of hallux, 119 mm., including hallux, 140 mm. Distance between lateral tips, 67 mm. Divarication of digits I and II, 138°; II and III, 19°; II and IV, 33°.
Length of step unknown. |
Measurements
No measurements are available
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Source: o = order | |||||
Reference: Marsh 1875 |
Age range: base of the Carnian to the top of the Early/Lower Kimmeridgian or 237.00000 to 150.80000 Ma
Collections (35 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Carnian | Canada (Nova Scotia) | Atreipus acadianus (55416) | |
Late/Upper Triassic | USA (New Jersey) | Grallator formosus (91694) | |
Late/Upper Triassic | USA (Pennsylvania) | Grallator tenuis (52494) | |
Norian | USA (New Mexico) | Anchisauripus hitchcocki (46560) | |
Norian | Canada (Nova Scotia) | Anchisauripus hitchcocki (138975) | |
Norian | USA (Pennsylvania) | Grallator tenuis (55414) | |
Hettangian | USA (Connecticut) | Anchisauripus hitchcocki (51258) Grallator cuneatus (55741) Grallator formosus (46438 51255) | |
Hettangian | USA (Massachusetts) | Anchisauripus hitchcocki, Grallator cuneatus, Grallator formosus (52986) Grallator cuneatus (53030 69798) Grallator cuneatus, Grallator formosus (53024) | |
Early/Lower Hettangian | Canada (Nova Scotia) | Anchisauripus hitchcocki (138976 138977 138978) | |
Hettangian - Sinemurian | USA (Connecticut) | Anchisauripus hitchcocki (53033) Grallator formosus, Grallator tenuis, Grallator cuneatus (53023) Grallator tenuis (53000) | |
Hettangian - Sinemurian | USA (Massachusetts) | Anchisauripus hitchcocki, Grallator cuneatus (52985) Anchisauripus hitchcocki, Grallator tenuis (52995 type locality: 52996) Grallator cuneatus (91669) Grallator cuneatus, Grallator formosus (52987) Grallator formosus (52994) Grallator formosus, Grallator cuneatus (62844) Grallator formosus, Grallator cuneatus, Grallator formosus (53028) Grallator tenuis (53032) Grallator tenuis, Grallator cuneatus (52998) Grallator tenuis, Grallator formosus (52999) | |
Hettangian - Bajocian | India (Rajasthan) | Grallator tenuis (168396) | |
Sinemurian | USA (New Jersey) | Grallator formosus (91695) | |
Early/Lower Sinemurian | USA (Virginia) | Grallator formosus, Grallator cuneatus (104029) | |
Oxfordian - Early/Lower Kimmeridgian | USA (Colorado) | Grallator tenuis (183640) |