Massopods
Temporal range:
Late Triassic - Late Cretaceous,
Mounted skeleton of Lufengosaurus
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Clade: Saurischia
Clade: Sauropodomorpha
Clade: Plateosauria
Clade: Massopoda
Yates, 2007
Subgroups[1]

Massopoda is a clade of sauropodomorph dinosaurs which lived during the Late Triassic to Late Cretaceous epochs. 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.[5]

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

Classification

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.[6]

The following is a cladogram from an analysis presented by Oliver W. M. Rauhut and colleagues in 2020:[4]

Massopoda

Eucnemesaurus

Riojasaurus

Sarahsaurus

Massospondylidae

Yunnanosaurus

Jingshanosaurus

Seitaad

Coloradisaurus

Glacialisaurus

Lufengosaurus

Massospondylus

Adeopapposaurus

Leyesaurus

Sauropodiformes

Xingxiulong

Anchisaurus

Leonerasaurus

Mussaurus

Aardonyx

Sefapanosaurus

Meroktenos

Melanorosaurus

Camelotia

Lessemsaurus

Antetonitrus

Ingentia

Blikanasaurus

Pulanesaura

Gongxianosaurus

Schleitheimia

Isanosaurus

Tazoudasaurus

Sauropoda

References

  1. 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: 151–205. doi:10.1111/zoj.12127.
  2. 1 2 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.
  3. Claire Peyre de Fabrègues; Ronan Allain (2020). "Kholumolumo ellenbergerorum, gen. et sp. nov., a new early sauropodomorph from the lower Elliot Formation (Upper Triassic) of Maphutseng, Lesotho". Journal of Vertebrate Paleontology. 39 (6): e1732996. doi:10.1080/02724634.2019.1732996. S2CID 218779841.
  4. 1 2 3 Rauhut, O. W. M.; Holwerda, F. M.; Furrer, H. (2020). "A derived sauropodiform dinosaur and other sauropodomorph material from the Late Triassic of Canton Schaffhausen, Switzerland". Swiss Journal of Geosciences. 113 (1): 8. doi:10.1186/s00015-020-00360-8. S2CID 220294939.
  5. Yates, Adam M. (2007). "Solving a dinosaurian puzzle: the identity of Aliwalia rex Galton". Historical Biology. 19 (1): 93–123. doi:10.1080/08912960600866953. S2CID 85202575.
  6. Yates, Adam M. (2007). Barrett, Paul M.; Batten, David J. (eds.). "The first complete skull of the Triassic dinosaur Melanorosaurus Haughton (Sauropodomorpha: Anchisauria)". Evolution and Palaeobiology. 77: 9–55. ISBN 978-1-4051-6933-2.
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