Abstract
Ostracods have been widely used for biostratigraphic and paleoenvironmental purposes for the Lower Cretaceous deposits of northeastern interior Brazilian basins. The ostracods of the Romualdo and Crato formations of the Araripe Basin are particularly well known; however, the ones from the underlying Barbalha Formation are less so. Here we report 10 ostracod species, of which three are new, obtained from 56 samples of the Barbalha and Crato formations collected from boreholes 1PS-06-CE and 1PS-10-CE: Candonopsis? alagoensis Tomé et al., 2014, Brasacypris subovatum Do Carmo et al., 2013, Damonella medialtis sp. nov., Cypridea araripensis Silva, 1978, Pattersoncypris cf. P. angulata (Krömmelbein & Weber, 1971), Pattersoncypris micropapillosa Bate, 1972, Pattersoncypris salitrensis (Krömmelbein & Weber, 1971), Pattersoncypris trapezium sp. nov., Looneyellopsis? sagittensis sp. nov., and Theriosynoecum silvai (Silva, 1978). Preservation of this material was very good in the Crato Formation and the Batateira Beds, with numerous well-preserved juvenile carapaces down to the A-6 instar having been found in the latter. Conversely, preservation was very poor in the upper portion of the Barbalha Formation, from which mostly molds were recovered.
Subject
Animal Science and Zoology,Ecology, Evolution, Behavior and Systematics
Reference69 articles.
1. Agassiz, L. (1841) On the fossil fishes found by Mr. Gardner in the Province of Ceará, in the north of Brazil. Edinburgh New Philosophical Journal, 30, 82–84.
2. Almeida-Lima, D.S., Piovesan, E.K., Sayão, J.M. & de Lima, F.J. (2020) Description and ontogeny of Pattersoncypris minima sp. nov. (Crustacea: Ostracoda), Araripe Basin, Northeast Brazil. Zootaxa, 4851 (1), 171–179. https://doi.org/10.11646/zootaxa.4851.1.8
3. Anderson, F.W. (1966) Some British Jurassic and Cretaceous Ostracoda. in: New Genera of Purbeck and Wealden Ostacoda. Bulletin of the British Museum Natural History, 9, 433–487.
4. Antonietto, L.S., Gobbo, S.R., Do Carmo, D.A., Assine, M.L., Fernandes, M.A.M.C.C. & Silva, J.E.L. (2012) Taxonomy, ontogeny and paleoecology of two species of Harbinia Tsao, 1959 (Crustacea, Ostracoda) from the Santana Formation, lower Cretaceous, Northeastern Brazil. Journal of Paleontology, 86, 660–669. https://doi.org/10.1666/11-012R.1
5. Arai, M. & Coimbra, J.C. (1990) Análise paleoecológica do registro das primeiras ingressões marinhas na Formação Santana (Cretáceo Inferior da Chapada do Araripe). Simpósio sobre a Bacia do Araripe e Bacias Interiores do Nordeste, 1990, 225–240.
Cited by
3 articles.
订阅此论文施引文献
订阅此论文施引文献，注册后可以免费订阅5篇论文的施引文献，订阅后可以查看论文全部施引文献