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Fabrosauridae
Taxonomy
Fabrosauridae was named by Galton (1972). Its type is Fabrosaurus.
It was synonymized subjectively with Nanosauridae by Cooper (1985); it was considered a nomen dubium by Sereno (1991).
It was assigned to Dolichopoda by Thulborn (1974), Thulborn (1975), Thulborn (1977); to Ornitophoda by Bonaparte (1978); to Hypsilophodontia by Russell (1984); to Ornithopoda by Galton (1972), Galton (1974), Galton (1977), Anderson and Cruickshank (1978), Thuborn (1978), Benton (1979), Colbert (1981), Young (1982), Weishampel and Weishampel (1983), Galton (1983), Dong et al. (1983), Milner and Norman (1984), Norman (1984), Norman (1984), Battail (1986), Buscalioni and Sanz (1987), Carroll (1988), Peng (1992); to Ornithischia by Olsen and Galton (1984), Knoll (2002); and to Ornithischia by Benton (1990), Peng (1997), Knoll (1999), Knoll (2005).
It was synonymized subjectively with Nanosauridae by Cooper (1985); it was considered a nomen dubium by Sereno (1991).
It was assigned to Dolichopoda by Thulborn (1974), Thulborn (1975), Thulborn (1977); to Ornitophoda by Bonaparte (1978); to Hypsilophodontia by Russell (1984); to Ornithopoda by Galton (1972), Galton (1974), Galton (1977), Anderson and Cruickshank (1978), Thuborn (1978), Benton (1979), Colbert (1981), Young (1982), Weishampel and Weishampel (1983), Galton (1983), Dong et al. (1983), Milner and Norman (1984), Norman (1984), Norman (1984), Battail (1986), Buscalioni and Sanz (1987), Carroll (1988), Peng (1992); to Ornithischia by Olsen and Galton (1984), Knoll (2002); and to Ornithischia by Benton (1990), Peng (1997), Knoll (1999), Knoll (2005).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1972 | Fabrosauridae Galton p. 465 |
| 1974 | Fabrosauridae Galton p. 1064 fig. 6 |
| 1974 | Fabrosauridae Thulborn p. 171 |
| 1975 | Fabrosauridae Thulborn p. 134 |
| 1977 | Fabrosauridae Galton p. 230 |
| 1977 | Fabrosauridae Thulborn p. 737 |
| 1978 | Fabrosauridae Anderson and Cruickshank p. 31 |
| 1978 | Fabrosauridae Bonaparte p. 331 |
| 1978 | Fabrosauridae Thuborn p. 187 |
| 1979 | Fabrosauridae Benton p. 143 |
| 1981 | Fabrosauridae Colbert p. 6 |
| 1982 | Fabrosauridae Young p. 29 |
| 1983 | Fabrosauridae Dong et al. p. 94 |
| 1983 | Fabrosauridae Galton p. 5 |
| 1983 | Fabrosauridae Weishampel and Weishampel p. 44 |
| 1984 | Fabrosauridae Milner and Norman p. 146 |
| 1984 | Fabrosauridae Norman p. 160 fig. 2 |
| 1984 | Fabrosauridae Olsen and Galton p. 91 |
| 1984 | Fabrosauridae Russell p. 29 |
| 1986 | Fabrosauridae Battail p. 49 |
| 1987 | Fabrosauridae Buscalioni and Sanz p. 66 |
| 1988 | Fabrosauridae Carroll |
| 1990 | Fabrosauridae Benton p. 25 |
| 1992 | Fabrosauridae Peng p. 39 |
| 1997 | Fabrosauridae Peng p. 239 |
| 1999 | Fabrosauridae Knoll p. 65 |
| 2002 | Fabrosauridae Knoll p. 596 |
| 2005 | Fabrosauridae Knoll p. 85 |
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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.
Fm. †Fabrosauridae Galton 1972
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G. †Eugongbusaurus Knoll 1999
G. †Gongbusaurus Dong et al. 1983
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†Gongbusaurus shiyii Dong et al. 1983
†Gongbusaurus wucaiwanensis Dong 1989
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| P. M. Galton 1972 | Maxillary and dentary teeth marginal, flat maxilla, dentary slender, rudimentary anterior ptocess to pubis. | |
| G. Peng 1997 | 1. lacrimal inserts into a narrow slot in the apex of the maxilla;
2. mandible with peculiarly salient finger-like retroarticular process; 3. especially short forelimb that is approximately 40% of the hndlimb in length; 4. ilium with a supra-acetabluar flange over the anterior half of the acetabulum; 5. posterior process of the ilium with a distinct brevis shelf that first turns medially and then downwards; 6. ischium with a dorsal groove on the proximal shaft; 7. pedal digit I reduced, with the splint-like shaft of metatarsal I and the ungual extending just beyond the end of the second metatarsal. | |
| F. Knoll 1999 | This family can be diagnosed by six main apomorphies: slot in the maxilla for the insertion of the lachrymal; especially short forelimb; brevis shelf on the ilium that curves medially then downward; dorsal groove on the shaft of the ischium; pedal digit I reduced; "fabrosaurid type" of tooth. |
Measurements
No measurements are available
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| Source: g = genus, o = order | |||||
| References: Peczkis 1995, Marsh 1875 | |||||
Collections (16 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Norian | USA (Arizona) | Fabrosauridae indet. (39219) | |
| Hettangian - Sinemurian | Lesotho (Mafeteng) | Fabrosauridae indet. (28570) | |
| Hettangian - Sinemurian | South Africa (Eastern Cape) | Fabrosauridae indet. (45796) | |
| Hettangian - Sinemurian | South Africa (Free State) | Fabrosauridae indet. (59363) | |
| Bajocian - Oxfordian | China (Sichuan) | Xiaosaurus dashanpensis (24883) | |
| Early/Lower Bathonian | United Kingdom (England) | Fabrosauridae indet. (45931) Phyllodon sp. (31054) | |
| Late/Upper Bathonian | United Kingdom (England) | Fabrosauridae indet. (57124 57125 57139) | |
| Bathonian - Callovian | China (Sichuan) | Gongbusaurus shiyii (60066) | |
| Callovian - Oxfordian | China (Xinjiang) | Gongbusaurus wucaiwanensis (93194 93195 93197 93198) | |
| Kimmeridgian - Tithonian | USA (Wyoming) | Fabrosauridae indet. (39431) |