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Bambolinetta
Taxonomy
Bambolinetta was named by Mayr and Pavia (2014).
It was assigned to Anatinae by Mayr and Pavia (2014).
It was assigned to Anatinae by Mayr and Pavia (2014).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 2014 | Bambolinetta Mayr and Pavia p. 917 figs. Figs. 4-7 |
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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
| Reference | Diagnosis | |
|---|---|---|
| G. Mayr and M. Pavia 2014 | Medium-sized anatine that is charac- terized by very robust and stout humerus, ulna, and radius, and, most likely (see Description and Comparison), very short ulna and radius. Although some Anatinae can have relatively short ul- nae (e.g., Nettapus pulchellus), the stoutness of the bones is con- sidered autapomorphic for the new taxon. Humerus with well- developed capital ridge, large and subtriangular tuberculum dor- sale, which is slightly elevated relative to the caudal surface of the shaft and has a concave surface, crista deltopectoralis short and with concave caudodorsal surface, and carpometacarpus with notch in caudal rim of dorsal portion of trochlea carpalis.
Bambolinetta, gen. nov., is further distinguished (1) from Dendrocygninae, Anserinae, Mionetta Livezey and Martin, 1988, from the late Oligocene to middle Miocene of Eu- rope, Manuherikia Worthy, Tennyson, Jones, McNamara, and Douglas, 2007, and Dunstanetta Worthy, Tennyson, Jones, Mc- Namara, and Douglas, 2007, from the early Miocene of New Zealand, as well as Pinpanetta Worthy, 2009, from the late Oligocene/early Miocene of Australia, in: humerus with tuber- culum dorsale larger, of subtriangular shape, and less raised rela- tive to caudal surface of bone; (2) from Oxyurini in: humerus with concave caudodorsal surface of crista deltopectoralis, pelvis not mediolaterally compressed; (3) from Stictonettini in: humerus with well-developed capital ridge and subtriangular and not so elevated tuberculum dorsale (rounded in Stictonetta); (4) from Tadornini in: humerus with tuberculum dorsale larger but not so elevated, processus extensorius of carpometacarpus less cra- nially prominent; (5) from Merganettini in: carpometacarpus with caudal rim of dorsal portion of trochlea carpalis more rounded, processus extensorius not forming a spur; (6) from ‘Cairini’ in: humerus with concave caudodorsal surface of crista deltopectoralis; (7) from Tachyerini in: skull without fossae glan- dularum nasales, humerus without marked fossa pneumotricipi- talis dorsalis, carpometacarpus with caudal rim of dorsal portion of trochlea carpalis more rounded, processus extensorius more slender; (8) from Anatini, Mergini, and Aythyini in: humerus with well-developed capital ridge and concave caudodorsal sur- face of crista deltopectoralis (except Malacorhynchus and Spec- ulanas, in which the caudodorsal surface of the crista deltopec- toralis is also concave), absence of fossae glandularum nasales (only Mergini); (9) from Matanas Worthy, Tennyson, Jones, Mc- Namara, and Douglas, 2007, from the early Miocene of New Zealand, in: humerus proportionally shorter and stouter, with tu- berculum dorsale less elevated; (10) from Sharganetta Zelenkov, 2011, and Nogusunna Zelenkov, 2011, from the middle Miocene of Mongolia, in: humerus with tuberculum dorsale larger and more lowered relative to the caudal humerus surface; and (11) from Protomelanitta Zelenkov, 2011, and Chenoanas Zelenkov, 2012, from the middle Miocene of Mongolia, in: caudal surface of humerus ventral of tuberculum dorsale not forming a sharp edge, the presence of which in Protomelanitta and Chenoanas is due to the fact that a fossa pneumotricipitalis dorsalis undercuts the caput humeri; Protomelanitta further lacks a capital shaft ridge. |