| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Moanasaurus
Taxonomy
Moanasaurus was named by Wiffen (1980).
It was assigned to Mosasaurinae by Wiffen (1980), Driscoll et al. (2019).
It was assigned to Mosasaurinae by Wiffen (1980), Driscoll et al. (2019).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1980 | Moanasaurus Wiffen pp. 507-528 |
| 2019 | Moanasaurus Driscoll et al. |
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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 | |
|---|---|---|
| J. Wiffen 1980 | A mosasaur of moderate size, but heavily constructed. Skull length estimated at 780 mm, large broad frontal, skull widest in the region of the postorbitofrontal parietal union. 15 maxillary teeth. Basioccipital is a solidly sutured unit with prootics, opisthotic-exoccipitals, supratemporals, supraoccipital, and squamosals. Atlas centra fused to axis. Anterior cervicals horizontally compressed with broad low synapophyseal bases. Ventral hypapophyseal peduncle of axis facing posteriorly, continuing dorsoventrally,
hypapophyses not fused. Functional zygapophyses, zygosphenes, and zygantra present on vertebrae into dorsal region. Haemal arches long and fused. Humerus short and massive, carpals rounded, metacarpals and phalanx hour-glass shaped. |
Measurements
No measurements are available
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| Source: f = family, subp = subphylum, p = phylum, uc = unranked clade | |||||
| References: Kiessling 2004, Gervais 1852, Carroll 1988 | |||||
Age range: Late/Upper Maastrichtian or 72.20000 to 66.00000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Campanian - Early/Lower Maastrichtian | New Zealand (Hawke's Bay) | M. mangahouangae (232252) | |
| Late/Upper Campanian - Early/Lower Maastrichtian | New Zealand | M. mangahouangae (232249) | |
| Late/Upper Maastrichtian | Antarctica (Isla Marambio) | M. sp. (235932) | |
| Late/Upper Maastrichtian | Antarctica | M. sp. (215568) |