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Macgowania
Taxonomy
Macgowania was named by Motani (1999). It is not extant.
It was assigned to Macgowaniidae by McGowan and Motani (2003), Maisch (2010); and to Parvipelvia by Motani (1999), Maisch and Matzke (2000), Fischer et al. (2013), Ji et al. (2016).
It was assigned to Macgowaniidae by McGowan and Motani (2003), Maisch (2010); and to Parvipelvia by Motani (1999), Maisch and Matzke (2000), Fischer et al. (2013), Ji et al. (2016).
Species
Entered
by H. Street (authorized by M. Carrano) on 2010-09-09; modified by J. Tennant on 2013-10-27
Synonymy list
| Year | Name and author |
|---|---|
| 1999 | Macgowania Motani p. 482 |
| 2000 | Macgowania Maisch and Matzke pp. 71, 97 |
| 2003 | Macgowania McGowan and Motani |
| 2010 | Macgowania Maisch |
| 2013 | Macgowania Fischer et al. |
| 2016 | Macgowania Ji et al. p. 11 |
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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 | |
|---|---|---|
| R. Motani 1999 | Humerus constriction unremarkable as in Ichthyosaurus, but manus without digital bifurcation or accessory digit S4-5; manual digit V closely contacting digit IV. | |
| M. W. Maisch and A. T. Matzke 2000 | "Medium-sized ichthyosaur, probably reaching 3 m in length, orbit large, naris very large, jugal-quadratojugal notch very deep, humerus with almost completely reduced anterior flange, zeugo- to autopodial elements form polygonal mosaic pattern, zeugopodials very short, enclose very small spatium interosseum, radius and most following anterior fin elements notched, three primary, one accessory postaxial digit." | |
| C. Ji et al. 2016 | Humerus constriction unremarkable as in Ichthyo- saurus, but manus without digital bifurcation or accessory digits S4–S5; manual digit V closely contacting digit VI. |