Results 91 to 100 of about 989 (201)
Standardizing fossil disparity metrics using sample coverage
Palaeontology, Volume 67, Issue 5, September/October 2024.Abstract Estimating past biodiversity using the fossil record is a central goal of palaeobiology. Because raw estimates of biodiversity are biased by variation in sampling intensity across time, space, environments and taxonomic groups, sampling standardization is routinely applied when estimating taxonomic diversity (e.g. species richness).
Menna Jones, Roger Close
wiley +1 more source
A new basal ornithopod (Dinosauria: Ornithischia) from the Early Cretaceous of Texas.
PLoS ONE, 2019 Material from a minimum of twenty-nine individuals of a new ornithopod, represented by nearly every skeletal element, was recovered from the Proctor Lake locality in the Twin Mountains Formation (Aptian) of north-central Texas.
Kate A Andrzejewski +2 more
doaj +1 more source
The Anatomical Record, Volume 307, Issue 4, Page 1175-1238, April 2024.Abstract A vast array of pseudosuchian body plans evolved during the diversification of the group in the Triassic Period, but few can compare to the toothless, long‐necked, and bipedal shuvosaurids. Members of this clade possess theropod‐like character states mapped on top of more plesiomorphic pseudosuchian character states, complicating our ...
Sterling J. Nesbitt, Sankar Chatterjee
wiley +1 more source
O filogenezie dinozaurów ptasiomiedniczych (Ornithischia)
, 1985 The ornithischian dinosaurs are analysed using the cladistic methodology. The preferred hypothesis (see fig. 1) is that: 1. Ornithischia are monophyletic, 2. Ankylosauria are sister group of all other ornithischians, 3.
Osmolska, H., Maryanska, T.
core
, 2002 Figure 35. Summary tree following removal of 'Mazongshan sp' and three hadrosaurid species (Parasaurolophus, Brachylophosaurus and Saurolophus). This generated two equally most parsimonious trees.
Norman, David B.
core +1 more source
, 2022 Figure 4. Second constrained analysis forcing a monophyletic Ornithoscelida. Abbreviations: Aphan, Aphanosauria; Herrer, Herrerasauridae. Silhouettes are based on artwork by Márcio L. Castro, Gabriel Lio, Rodrigo T. Müller, Maurício S.
Norman, David B +3 more
core +1 more source
, 2002 Figure 4. Probactrosaurus gobiensis Rozhdestvensky, 1966. Premaxilla (PIN 2232/1-2) in lateral (A) and medial (B) view. Missing portions of the oral margin and the distal ends of the median and lateral posterior processes.
Norman, David B.
core +1 more source
, 2002 Figure 16. Dentary crowns. A, Altirhinus kurzanovi. Isolated replacement dentary crown; crown hollow, root uncalcified. B, Probactrosaurus gobiensis isolated crown (PIN 2232/23-2) in lingual aspect.
Norman, David B.
core +1 more source
, 2022 Figure 3. Strict consensus trees from the constrained analyses. First constrained analysis forcing a monophyletic Silesauridae apart from the 'traditional ornithischians'. Abbreviations: Aphan, Aphanosauria; Herrer, Herrerasauridae. Silhouettes are based
Norman, David B +3 more
core +1 more source
Hypsilophodon foxii (Reptilia, Ornithischia) en el Cretácico inferior de Igea (La Rioja, España). [PDF]
Munibe Ciencias Naturales, 1994 Se describen restos óseos del dinosaurio ornitópodo Hypsilophodon foxii, pertenecientes a un único ejemplar hallado en sedimentos rojos del Cretácico inferior (facies Weald) en la provincia de La Rioja (N. de España).
TORRES, J.A., VIERA, Luis I.
doaj