Topic
Melvius
About: Melvius is a research topic. Over the lifetime, 3 publications have been published within this topic receiving 39 citations.
Papers
TL;DR: Amia? chauliodeia, a new amiid fish from the Late Cretaceous Fruitland Formation of the San Juan Basin, New Mexico, is described from material that includes vertebral centra, elements of the mandibular arch, dermal skull roof, palatal complex, hyoid arch, pectoral girdle, branchial apparatus, ribs, and both pelvic basipterygia as mentioned in this paper.
Abstract: Amia? chauliodeia, a new amiid fish from the Late Cretaceous Fruitland Formation of the San Juan Basin, New Mexico, is described from material that includes vertebral centra, elements of the mandibular arch, dermal skull roof, palatal complex, hyoid arch, pectoral girdle, branchial apparatus, ribs, and both pelvic basipterygia. The new form differs from previously described amiiforms in the length of the dentary tooth row, in the anterior thickness of the dentary, and in the apparent lack of internal sensory canals in the dentary and angular. The New Mexico amiid also retains a primitive metapterygoid. Although the new form shares several features in common with the Late Cretaceous amiid Melvius thomasi described by Bryant (1987), it is unquestionably distinct from this form. Material from the Fruitland and Kirtland Formations of New Mexico referred by Bryant (1987) to M. thomasi is now included within Amia? chauliodeia. mation of northwestern New Mexico. This new species is com- pared with Amia calva and several fossil amiiform species. Other fossil vertebrates from the Fossil Forest study area include chon- drichthyans, other osteichthyans (including Lepisosteus and Paralbula), turtles, lizards, crocodiles, dinosaurs, mammals, and isolated elements (teeth and vertebrae) attributed to Kindleia fragosa.
7 citations
TL;DR: The lower shale member of the Aguja Formation is one of only a few terrestrial stratigraphic units of early Campanian age in North America as mentioned in this paper, and very little is known about its larger vertebrate fauna.
TL;DR: Melvius thomasi as discussed by the authors, a new genus and new species from the Late Cretaceous Hell Creek Formation of northeastern Montana and Wyoming, is one of the largest known amiids (standard length 160 cm or more).
Abstract: Melvius thomasi, new genus and new species, from the Late Cretaceous Hell Creek Formation of northeastern Montana and Wyoming, is one of the largest known amiids (standard length 160 cm or more). It is based on disarticulated elements of the skull and axial skeleton. Additional isolated elements probably referable to this species are known from North and South Dakota, Utah, Texas and New Mexico. All known specimens occur below the Cretaceous-Tertiary boundary. Specimens of large amiids from the Early Cretaceous Trinity Formation, Texas, may also be referable to this or a related taxon. Detailed comparison with other amiids, described from more complete material, is not yet possible, but some features of the new taxon appear to relate it to Enneles and Pachyamia. Melvius lived in estuaries and large rivers along the western margin of the Western Interior Sea.
Related Topics (5)
Performance Metrics
| Year | Papers |
|---|---|
| 2019 | 1 |
| 1989 | 1 |
| 1988 | 1 |