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Dinosaur footprint
Teratopodus (meaning "monstrous foot") is an
ichnogenus of
titanosaurian
sauropod footprint. It includes a single species, T. malarguensis , known from prints found in the
Late Cretaceous
Anacleto Formation of
Argentina . The Teratopodus tracks represent some of the best sauropod
pes tracks currently known from South America.
[1]
The trackway was created by two titanosaur individuals, one of which was about 11 metres (36 ft) long, while the other was about 14 metres (46 ft) long. Analysis of the fossils shows that the dinosaurs walked from an area of humid ground to a more flooded area.
[1]
Layers of the Anacleto Formation
Several titanosaurs are known from the Anacleto Formation, including
Pitekunsaurus ,
[2]
Narambuenatitan ,
[3]
Barrosasaurus ,
[4] and
Neuquensaurus .
[5] One of these dinosaurs potentially could have made the Teratopodus prints.
[1] Remains of the ornithopod
Gasparinisaura
[6] and the theropods
Abelisaurus
[7] and
Aucasaurus
[8] have also been recovered from the formation.
^
a
b
c Tomaselli, María Belén; Ortiz David, Leonardo Daniel; González Riga, Bernardo Javier; Coria, Juan Pedro; Mercado, Claudio Ramón; Guerra, Mauricio; Sánchez Tiviroli, Germán (2022-01-01).
"New titanosaurian sauropod tracks with exceptionally well-preserved claw impressions from the Upper Cretaceous of Argentina" . Cretaceous Research . 129 : 104990.
Bibcode :
2022CrRes.12904990T .
doi :
10.1016/j.cretres.2021.104990 .
ISSN
0195-6671 .
S2CID
238695181 .
^ Filippi, Leonardo S.; Garrido, Alberto C. (2008).
"Pitekunsaurus macayai gen. et sp. nov., nuevo titanosaurio (Saurischia, Sauropoda) del Cretácico Superior de la Cuenca Neuquina, Argentina" . Ameghiniana (in Spanish). 45 (3): 575–590.
ISSN
1851-8044 .
^ Filippi, Leonardo S.; García, Rodolfo A.; Garrido, Alberto C. (2011).
"A New Titanosaur Sauropod Dinosaur from the Upper Cretaceous of North Patagonia, Argentina" (PDF) . Acta Palaeontologica Polonica . 56 (3): 505–520.
doi :
10.4202/app.2010.0019 .
ISSN
0567-7920 .
S2CID
62837802 .
^ Salgado, Leonardo; Coria, Rodolfo A. (2009-12-31).
"Barrosasaurus casamiquelai gen. et sp. nov., a new titanosaur (Dinosauria, Sauropoda) from the Anacleto Formation (Late Cretaceous: early Campanian) of Sierra Barrosa (Neuquén, Argentina)" . Zootaxa . 2222 : 1–16.
doi :
10.5281/zenodo.190129 .
^ Otero, Alejandro (2010).
"The Appendicular Skeleton of Neuquensaurus , a Late Cretaceous Saltasaurine Sauropod from Patagonia, Argentina" (PDF) . Acta Palaeontologica Polonica . 55 (3): 399–426.
doi :
10.4202/app.2009.0099 .
ISSN
0567-7920 .
S2CID
55090440 .
^ Coria, Rodolfo A.; Salgado, Leonardo (1996-09-19).
"A basal iguanodontian (Ornithischia: Ornithopoda) from the Late Cretaceous of South America" . Journal of Vertebrate Paleontology . 16 (3): 445–457.
Bibcode :
1996JVPal..16..445C .
doi :
10.1080/02724634.1996.10011333 .
ISSN
0272-4634 .
^ Bonaparte, J.; Novas, E.E. (1985).
"Abelisaurus comahuensis , n.g., n.sp., Carnosauria del Crétacico Tardio de Patagonia" [Abelisaurus comahuensis , n.g., n.sp., Carnosauria from the Late Cretaceous of Patagonia]. Ameghiniana . 21 : 259–265 – via ResearchGate.
^ Coria, Rodolfo A.; Chiappe, Luis M.; Dingus, Lowell (2002-07-08).
"A new close relative of Carnotaurus sastrei Bonaparte 1985 (Theropoda: Abelisauridae) from the Late Cretaceous of Patagonia" . Journal of Vertebrate Paleontology . 22 (2): 460–465.
doi :
10.1671/0272-4634(2002)022[0460:ANCROC]2.0.CO;2 .
ISSN
0272-4634 .
S2CID
131148538 .