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Nothronychus mckinleyi
Taxonomy
Nothronychus mckinleyi was named by Kirkland and Wolfe (2001). Its type specimen is MSM P-2117, a partial skeleton, and it is a 3D body fossil. Its type locality is Haystack Butte, MSM 98-78, which is in a Turonian wet floodplain claystone in the Moreno Hill Formation of New Mexico.
Synonymy list
| Year | Name and author |
|---|---|
| 2001 | Nothronychus mckinleyi Kirkland and Wolfe p. 410 figs. 1-3 |
| 2003 | Nothronychus mckinleyi Rauhut p. 41 |
| 2004 | Nothronychus mckinleyi Clark et al. p. 152 |
| 2005 | Nothronychus mckinleyi Kirkland et al. p. 90 |
| 2007 | Nothronychus mckinleyi Li et al. p. 542 |
| 2007 | Nothronychus mckinleyi Suarez et al. p. 513 |
| 2008 | Nothronychus mckinleyi Li p. 47 |
| 2009 | Nothronychus mckinleyi Zanno et al. |
| 2010 | Nothronychus mckinleyi Zanno p. 198 |
| 2012 | Nothronychus mckinleyi Qian et al. p. 342 |
| 2013 | Nothronychus mckinleyi Pu et al. |
| 2013 | Nothronychus mckinleyi Zanno et al. p. 512 |
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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.
†Nothronychus mckinleyi Kirkland and Wolfe 2001
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| L. E. Zanno et al. 2009 | Nothronychus mckinleyi can be differentiated from all other therizinosaurs by the following autapomorphies: ventral notch between obturator process and iliac shaft craniocaudally narrow; and from N. graffami by the following combination of features: platycoelous cranial caudal centra; heel on caudoventral surface of caudal centra
hypertrophied (approximately 1/3rd the dorsoventral length of the caudal centrum); glenoid lacking caudal buttress; and caudal process of ischium poorly defined and elongate, extending to shaft opposite obturator process. | |
| L. E. Zanno 2010 | No. mckinleyi can be differentiated from all other therizinosaurians by the following autapomorphies: ventral notch between obturator process and iliac shaft craniocaudally narrow; and from No. graffami by the follow- ing combination of features: platycoelous cranial caudal centra; heel on caudoventral surface of caudal centra hypertrophied (approximately one third the dorsoventral length of the caudal centrum); glenoid lacking caudal buttress; caudal process of ischium poorly defined and elongate, extending to shaft opposite obturator process (Zanno et al. 2009). |
Measurements
No measurements are available
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| Source: superf = superfamily, o = order | |||||
| References: Holtz et al. 2000, Marsh 1875 | |||||
Age range: Middle Turonian or 93.50000 to 89.30000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Turonian | USA (New Mexico) | Nothronychus mckinleyi (type locality: 52033) |