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Klallamornis buchanani
Taxonomy
Tonsala buchanani was named by Dyke et al. (2011). Its type specimen is UWBM 86875 and is a 3D body fossil. Its type locality is Murdock Creek, which is in a Rupelian deep-water siltstone in the Pysht Formation of Washington.
It was recombined as Klallamornis buchanani by Mayr and Goedert (2022).
It was recombined as Klallamornis buchanani by Mayr and Goedert (2022).
Synonymy list
| Year | Name and author |
|---|---|
| 2011 | Tonsala buchanani Dyke et al. p. 2 figs. Fig. 2 |
| 2015 | Tonsala buchanani Kaiser et al. p. 8 figs. Table 1 |
| 2022 | Klallamornis buchanani Mayr and Goedert p. 226 |
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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.
†Klallamornis buchanani Dyke et al. 2011
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| G. J. Dyke et al. 2011 | The characters listed here differentiate Tonsala buchanani from its counterpart, T. hildegardae Olson, 1980. Humerus: Shallow fossa m. brachialis in caudal view (cf. USNM 256518, where this fossa is deeper and more rounded); margin between crista brachialis and humeral shaft almost 90 degrees (this angle is markedly greater than 90 degrees in USNM 256518; Olson, 1980: fig. 2); sulcus ligamentous transversus extends all the way across the cranial surface of the proximal humerus (this sulcus does not reach the impressio coracobrachialis in USNM 256518). Coracoids much larger in size (Table 1). Carpometacarpus: processus extensorius rounded and blunt (not upturned as in T. hildegardae); os metacarpale alulare extends distally down the length of the element as a flat shelf; fossa infratrochlearis of carpometacarpus deep above processus pisiformis (this region not as excavated in T. hildegardae); cranial margin between trochlea carpalis and processus pisiformis narrow (wider in T. hildegardae). |
Measurements
No measurements are available
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| Source: f = family, subo = suborder, o = order | |||||
| References: Benton 1983, Marsh 1875, Bush and Bambach 2015 | |||||