Panphagia - Classification










Other sauropodomorphs

Panphagia was described in 2009 by Ricardo N. Martínez and Oscar A. Alcober, both of the Museo de Ciencias Naturales, in San Juan, Argentina. They performed a phylogenetic analysis and found it to be the most basal known sauropodomorph dinosaur: the fossils shared similar features to those of Saturnalia, an early sauropodomorph, including similarities in the ischium, astralagus, and the scapular blade. Yet the fossils also exhibited similar features to those of Eoraptor, an early carnivorous saurischian, including hollow bones, sublanceolate teeth, and overall proportions. Based on analysis and comparison of the Panphagia fossils and those of its closest kin, Martínez and Alcober concluded that the evolution of saurischian dinosaurs likely began with small, cursorial animals similar to Panphagia, and that there is a "general similarity among all of these basal dinosaurs that few structural changes stand" between Panphagia, Eoraptor, and two basal theropods which have yet to be described.

The type species of Panphagia is P. protos; the specific name, meaning "the first" in Greek, is a reference to its basal position.

Read more about this topic:  Panphagia

Other articles related to "classification, classifications":

QAPF Diagram - Usage
... rocks if modal mineralogical composition is not determined, instead the TAS classification (Total-Alkali-Silica) is used ... Therefore, provisional or field classifications (Figures 3 and 4) are used, which are simplified versions of Figures 1 and 2 ... This classification is used if rock sample has phaneritic texture (plutonic rocks) Figure 2 ...
Anatomical Therapeutic Chemical Classification System
... The Anatomical Therapeutic Chemical (ATC) Classification System is used for the classification of drugs ...
Stellar Classification - Variable Star Classification
... There is a variable star classification scheme that encompasses existing stars that are classified in the spectra classification ...
Naive Bayes Classifier - Introduction
... In 2004, analysis of the Bayesian classification problem has shown that there are some theoretical reasons for the apparently unreasonable efficacy ... Still, a comprehensive comparison with other classification methods in 2006 showed that Bayes classification is outperformed by more current approaches, such as boosted trees or random ... data to estimate the parameters (means and variances of the variables) necessary for classification ...
Pterosaur - Evolution and Extinction - Classification
... details on this topic, see List of pterosaur classifications ... Classification of pterosaurs has historically been difficult, because there were many gaps in the fossil record ...