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Klallamornis
Taxonomy
Klallamornis was named by Mayr and Goedert (2016).
It was assigned to Plotopteridae by Mayr and Goedert (2016); and to Tonsalinae by Mayr and Goedert (2018), Mayr and Goedert (2022).
It was assigned to Plotopteridae by Mayr and Goedert (2016); and to Tonsalinae by Mayr and Goedert (2018), Mayr and Goedert (2022).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 2016 | Klallamornis Mayr and Goedert p. 5 figs. Figs. 4, 5 |
| 2018 | Klallamornis Mayr and Goedert p. 52 |
| 2022 | Klallamornis 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.
G. †Klallamornis Mayr and Goedert 2016
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†Klallamornis abyssa Mayr and Goedert 2016
†Klallamornis buchanani Dyke et al. 2011
†Klallamornis clarki Mayr and Goedert 2016
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| G. Mayr and J. L. Goedert 2016 | Klallamornis, gen. nov., includes the largest of the North American plotopterids, which differ from other taxa in the following features. (1) Tonsala: scapula with mediolaterally wider caudal portion, which has a more strongly curved margo dorsalis (compare Fig. 4B with Olson, 1980:fig- s. 4A, 5B); femur stouter (length:distal width ratio of the bone »4.2 versus 4.5–4.6 in T. hildegardae); and distal end of tibiotar- sus with proximodistally lower condylus medialis, wider sulcus intercondylaris, and narrower pons supratendineus. (2) Olympi- dytes: distal end of tibiotarsus with wider sulcus intercondylaris, proximodistally lower condylus medialis, narrower pons supra- tendineus, and no marked sulcus for tendon of musculus fibularis brevis lateral of pons supratendineus (Fig. 5I–L). (3) Copepteryx: processus lateralis of coracoid forming an omally directed hook (Fig. 4C); and femur less stout (length:distal width ratio of the bone »4.2 versus 3.5 in C. hexeris). (4) Hokkaidornis: coracoid with angle between lateral margin of processus lateralis and facies articularis sternalis steeper, processus lateralis forming a omally directed hook, and extremitas sternalis without narrow, medially directed spur; caudal end of scapula with truncate cau- dal margin facing medially rather than laterally as in Hokkaidor- nis; cranial portion of ala praeacetabularis ilii not forming a cranial projection; and femur less stout (length:distal width ratio of the bone »4.2 versus 3.4 in H. abashiriensis). (5) Phocavis: tar- sometatarsus with sulcus instead of canal for tendon of musculus flexor digitorum longus, without sulcus for tendon of musculus flexor hallucis longus, without foramen vasculare distale, and with more splayed trochleae (comparisons are based on the tar- sometatarsus LACM 129405, which is tentatively referred to Klallamornis, gen. nov.). (6) Plotopterum: coracoid with concave cotyla scapularis, longer facies articularis humeralis, and processus acrocoracoideus forming a marked, ventromedially directed projection. |
Measurements
No measurements are available
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| Source: f = family, subo = suborder, o = order | |||||
| References: Bush and Bambach 2015, Benton 1983, Marsh 1875, Kiessling 2004 | |||||