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Caenagnathus
Taxonomy
Caenagnathus was named by Sternberg (1940). Its type is Caenagnathus collinsi. It is the type genus of Caenagnathidae, Caenagnathinae.
It was synonymized subjectively with Chirostenotes by Paul (1988), Sues (1994), Sues (1997), Barsbold (1997), Rauhut (2003) and Osmólska et al. (2004).
It was assigned to Coelurosauria by Steel (1970); to Ornithomimidae by Swinton (1970) and Brodkorb (1978); to Coeluridae by Dodson (1983); to Oviraptorosauria by Currie and Russell (1985); to Oviraptoridae by Carroll (1988); to Caenagnathidae by Sternberg (1940), Wetmore (1956), Romer (1966), Cracraft (1971), Molnar (1980), Barsbold (1981), Barsbold (1983), Thulborn (1984), Clemens (1986), Gauthier (1986), Currie and Russell (1988), Currie (1992), Sereno (1997), Sereno (1998), Varricchio (2001), Longrich (2008), Lamanna et al. (2014), Lü et al. (2015), Tsuihiji et al. (2015), Funston et al. (2015), Funston and Currie (2016) and Tsuihiji et al. (2017); and to Caenagnathinae by Longrich et al. (2013), Funston et al. (2016) and Funston (2020).
It was synonymized subjectively with Chirostenotes by Paul (1988), Sues (1994), Sues (1997), Barsbold (1997), Rauhut (2003) and Osmólska et al. (2004).
It was assigned to Coelurosauria by Steel (1970); to Ornithomimidae by Swinton (1970) and Brodkorb (1978); to Coeluridae by Dodson (1983); to Oviraptorosauria by Currie and Russell (1985); to Oviraptoridae by Carroll (1988); to Caenagnathidae by Sternberg (1940), Wetmore (1956), Romer (1966), Cracraft (1971), Molnar (1980), Barsbold (1981), Barsbold (1983), Thulborn (1984), Clemens (1986), Gauthier (1986), Currie and Russell (1988), Currie (1992), Sereno (1997), Sereno (1998), Varricchio (2001), Longrich (2008), Lamanna et al. (2014), Lü et al. (2015), Tsuihiji et al. (2015), Funston et al. (2015), Funston and Currie (2016) and Tsuihiji et al. (2017); and to Caenagnathinae by Longrich et al. (2013), Funston et al. (2016) and Funston (2020).
Species
C. collinsi (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1940 | Caenagnathus Sternberg p. 81 figs. 1-6 |
| 1956 | Caenagnathus Wetmore p. 6 |
| 1966 | Caenagnathus Romer p. 369 |
| 1970 | Caenagnathus Steel p. 20 |
| 1970 | Caenagnathus Swinton p. 1377 |
| 1971 | Caenagnathus Cracraft p. 806 |
| 1978 | Caenagnathus Brodkorb p. 223 |
| 1980 | Caenagnathus Molnar p. 137 |
| 1981 | Caenagnathus Barsbold |
| 1983 | Caenagnathus Barsbold p. 94 |
| 1983 | Caenagnathus Dodson p. 95 |
| 1984 | Caenagnathus Thulborn p. 132 |
| 1985 | Caenagnathus Currie and Russell p. 25 |
| 1986 | Caenognathus Clemens p. 79 |
| 1986 | Caenagnathus Gauthier p. 9 |
| 1988 | Caenagnathus Carroll |
| 1988 | Caenagnathus Currie and Russell p. 985 |
| 1992 | Caenagnathus Currie p. 239 |
| 1997 | Caenagnathus Sereno p. 457 |
| 1998 | Caenagnathus Sereno p. 65 |
| 2001 | Caenagnathus Varricchio p. 46 |
| 2008 | Caenagnathus Longrich p. 994 |
| 2013 | Caenagnathus Longrich et al. |
| 2014 | Caenagnathus Lamanna et al. p. 10 fig. 6 |
| 2015 | Caenagnathus Funston et al. p. 180 |
| 2015 | Caenagnathus Lü et al. |
| 2015 | Caenagnathus Tsuihiji et al. p. 61 |
| 2016 | Caenagnathus Funston and Currie p. 14 |
| 2017 | Caenagnathus Tsuihiji et al. p. 10 |
| 2020 | Caenagnathus Funston p. 136 fig. 20 |
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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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, infrao = infraorder, o = order | |||||
| References: Peczkis 1995, Averianov and Yarkov 2004, Marsh 1875 | |||||
Age range: base of the Late/Upper Campanian to the top of the Late/Upper Maastrichtian or 83.50000 to 66.00000 Ma
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Campanian | Canada (Alberta) | Aves indet. (46952) C. collinsi (46953 165179 232142) C. sp. (22656 46358 58912) | |
| Late/Upper Maastrichtian | USA (South Dakota) | Caenagnathidae indet. (157189) |