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Published January 6, 2024 | Version v1
Taxonomic treatment Open

Abelisauridae Bonaparte & Novas 1985

Authors/Creators

  • 1. Universidade Estadual de Campinas (UNICAMP), Instituto de Geociências, Cidade Universitária, Rua Carlos Gomes, 250, 13083 - 855 Campinas, SP, Brazil & Laboratório de Paleontologia, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Avenida Bandeirantes, 3900, 14040 - 901, Ribeirão Preto, SP, Brazil & SNSB, Baverische Staatssammlung für Paläontologie und Geologie, Department of Earth and Environmental Sciences, GeoBioCenter, Ludwig- Maximilians-Universitv, Richard-Wagner-Strasse 10, D- 80333 München, Germanv
  • 2. Departamento de Geologia e Paleontologia, Museu Nacional, da Universidade Federal do Rio de Janeiro (MN / UFRJ), Rio de Janeiro, Brazil
  • 3. Alimíni Consultoria Científica Ltda. Rua Manoel Vieira Sarmento, 03, Chácara Santana São Paulo, SP, Brazil
  • 4. Unidad Ejecutora Lillo, CONICET - Fundación Miguel Lillo, Miguel Lillo 251, San Miguel de Tucumán 4000, Tucumán, Argentina
  • 5. Laboratório de Paleontologia, Centro Universitário Fundação Santo André, Avenida Príncipe de Gales, 821, 09060 - 650, Santo André, SP, Brazil & Museu de Zoologia, Universidade de São Paulo, Avenida Nazaré, 481, 04263 - 000, São Paulo, SP, Brazil & ISEM at Southern Methodist Universitv, Dallas, TX, USA
  • 6. Departamento de Geologia, Universidade Federal do Rio Grande do Norte (UFRN), Rua das Engenharias, s / n, Lagoa Nova, 59072 - 970, Natal, RN, Brazil & Laboratório de Paleoecologia e Paleoicnologia, Departamento de Ecologia e Biologia Evolutiva (DEBE), Universidade Federal de São Carlos (UFSCar), Rod. Washington Luís, s / n, Monjolinho, 13565 - 905, São Carlos, SP, Brazil
  • 7. Universidade Estadual de Campinas (UNICAMP), Instituto de Geociências, Cidade Universitária, Rua Carlos Gomes, 250, 13083 - 855 Campinas, SP, Brazil

Description

Morphotype VII

These are allosauroid-like mesial teeth, similar to morphotype VI but differing in being more elongated (CHR> 1.6) and/or thicker (CBR>.55). The mesial carina is either straight and centrally positioned on the mesial surface or slightly twisted lingually. They differ from the abelisaurid mesial teeth in the absence of concavity adjacent to the carinae on the crown, the symmetrical appearance of the tooth (i.e. lanceolate cross-sectional outline at the base of the crown), and the slightly to strongly concave distal profile.

Identification: Probably abelisaurid mesial or transitional teeth from a taxon with vaguely convergent similarity to carcharodontosaurid teeth.

Specimens from Ibirá, São Paulo state, Adamantina Formation: LPP-PV 1100 (Fig. 21), LPP-PV 1101, LPP-PV 1104 (Fig. 22), and LPP-PV 1106 (Fig. 23).

Specimen from Flórida Paulista, São Paulo state, Adamantina Formation: UFRJ-DG 372-Rd.

Notes

Published as part of Delcourt, Rafael, Brilhante, Natan S, Pires-Domingues, Ricardo A, Hendrickx, Christophe, Grillo, Orlando N, Augusta, Bruno G, Maciel, Bárbara S, Ghilardi, Aline M & Ricardi-Branco, Fresia, 2024, Biogeography of theropod dinosaurs during the Late Cretaceous: evidence from central South America, pp. 1-40 in Zoological Journal of the Linnean Society 202 (2) on pages 30-31, DOI: 10.1093/zoolinnean/zlad184, http://zenodo.org/record/14283762

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Linked records

Additional details

Identifiers

URL
http://treatment.plazi.org/id/03F6F729FF9DFFE7FBB7F90C65E44967

Cites
Figure: 10.5281/zenodo.14283807 (DOI)
Figure: 10.5281/zenodo.14283809 (DOI)
Figure: 10.5281/zenodo.14283811 (DOI)
Is part of
Journal article: 10.1093/zoolinnean/zlad184 (DOI)
Journal article: http://zenodo.org/record/14283762 (URL)
Journal article: http://publication.plazi.org/id/FFCF8F51FF80FFF9FF96FFD764524E41 (URL)
Is source of
https://biodiversitypmc.sibils.org/collections/plazi/03F6F729FF9DFFE7FBB7F90C65E44967 (URL)
https://www.gbif.org/species/248430171 (URL)
https://www.checklistbank.org/dataset/306116/taxon/03F6F729FF9DFFE7FBB7F90C65E44967.taxon (URL)

Biodiversity

Material sample ID
LPP-PV 1100, LPP-PV 1101, LPP-PV 1104, LPP-PV 1106 , UFRJ-DG 372-Rd
Scientific name authorship
Bonaparte & Novas
Kingdom
Animalia
Phylum
Chordata
Order
Saurischia
Family
Abelisauridae
Taxon rank
family
Taxonomic concept label
Abelisauridae Bonaparte, 1985 sec. Delcourt, Brilhante, Pires-Domingues, Hendrickx, Grillo, Augusta, Maciel, Ghilardi & Ricardi-Branco, 2024

References

  • Tavares SAS, Ricardi-Branco F, Santucci RM. Theropod teeth from the Adamantina Formation (Bauru Group, Upper Cretaceous), Monte Alto, Sao Paulo, Brazil. Cretaceous Research 2014; 50: 59 - 71. https: // doi. org / 10.1016 / j. cretres. 2014.03.021
  • Kellner AWA, Campos DA. On a new theropod dinosaur (Abelisauria) from the continental Cretaceous of Brazil. Arquivos do Museu Nacional 2002; 60: 163 - 70.
  • Delcourt R, Grillo ON. Reassessment of a fragmentarv maxilla attributed to Carcharodontosauridae from Presidente Prudente Formation, Brazil. Cretaceous Research 2018 a; 84: 515 - 24. https: // doi. org / 10.1016 / j. cretres. 2017.09.008