Massopoda

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Massopoda
Temporal range:
Late Triassic - Late Cretaceous, 228–66 Ma
Lufengosaurus.jpg
Mounted skeleton of Lufengosaurus
Scientific classification edit
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Suborder: Sauropodomorpha
Clade: Plateosauria
Clade: Massopoda
Yates, 2007
Subgroups[2]

The Massopoda is a clade of sauropodomorph dinosaurs which lived during the Late Triassic to the Late Cretaceous periods. It was named by paleontologist Adam M. Yates of the University of the Witwatersrand in 2007. Massopoda is a stem-based taxon, defined as all animals more closely related to Saltasaurus loricatus than to Plateosaurus engelhardti.[3]

The name Massopoda, from Latin massa, meaning 'lump'; from Ancient Greek πους (pous), meaning 'foot', is also contraction of Massospondylidae and Sauropoda, two disparate taxa in the clade.

Yates assigned the Massopoda to Plateosauria. Within the clade, he assigned the families Massospondylidae (which includes the relatively well-known dinosaur Massospondylus) and Riojasauridae (which includes Riojasaurus) as well as the Sauropoda.[4]

The following is a simplified cladogram from an analysis presented by Blair McPhee and colleagues in 2014:[2]

 Massopoda 
 Riojasauridae 

Eucnemesaurus

Riojasaurus

Massospondylidae

 Sauropodiformes 

Yunnanosaurus

Jingshanosaurus

Seitaad

Anchisauria

References

  1. ^ a b Apaldetti, C.; Martinez, R. N.; Alcober, O. A.; Pol, D. (2011). Claessens, Leon, ed. "A New Basal Sauropodomorph (Dinosauria: Saurischia) from Quebrada del Barro Formation (Marayes-El Carrizal Basin), Northwestern Argentina". PLoS ONE. 6 (11): e26964. doi:10.1371/journal.pone.0026964. PMC 3212523. PMID 22096511.
  2. ^ a b McPhee, B. W.; Yates, A. M.; Choiniere, J. N.; Abdala, F. (2014). "The complete anatomy and phylogenetic relationships of Antetonitrus ingenipes (Sauropodiformes, Dinosauria): Implications for the origins of Sauropoda". Zoological Journal of the Linnean Society. 171: 151. doi:10.1111/zoj.12127.
  3. ^ Yates, Adam M. (2007). "Solving a dinosaurian puzzle: the identity of Aliwalia rex Galton". Historical Biology. 19 (1): 93–123. doi:10.1080/08912960600866953.
  4. ^ Yates, Adam M. (2007). "The first complete skull of the Triassic dinosaur Melanorosaurus Haughton (Sauropodomorpha: Anchisauria)". In Barrett & Batten (eds.), Evolution and Palaeobiology. 77: 9–55. ISBN 978-1-4051-6933-2.
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