3 documents found, page 1 of 1
The Ephemeroptera (Hexapoda, Insecta) from the Lower Cretaceous Crato Formation...
Brandão, Natalia C. A.; Bittencourt, Jonathas S.; Calor, Adolfo R.; Mendes, Marcio; Langer, Max C.A new genus and species of Ephemeroptera, Astraeoptera cretacica gen. et sp. nov., is described from the Lower Cretaceous limestone of the Crato Formation (Brazil). The new taxon has the following diagnostic characters: veins MP2 e CuA straight at their bases, MA branching in the apical half of wing length, CuA not forked, cubital field with longitudinal veins sub-parallel to CuA. It was compared with other adu...
New species of Myrmicium Westwood (Psedosiricidae = Myrmiciidae: Hymenoptera, I...
Freitas, Luís C. B.; Rasnitsyn, Alexandr P.; Moura, Geraldo J. B.; Mendes, MarcioThis paper records the fi rst occurrence of the genus Myrmicium Westwood, 1854 in the Cretaceous of Gondwana and describes it as a new species Myrmicium araripterum sp. nov, based on the most complete specimen of this genus yet known, which represents the largest specimen of the grade “Symphyta” ever found in the Crato Formation.
Análise de fácies e petrografia de uma seção do Membro Crato em Nova Olinda (CE...
Santos, Felipe Holanda dos; Azevedo, Juan Moreira de; Nascimento Junior, Daniel Rodrigues do; Souza, Ana Clara Braga de; Mendes, MarcioThe Crato Member is one of the most important stratigraphic units of the Araripe Basin due to its fossil content, its context analogous to the Brazilian “Pre-Salt Layers”, and its use as covering stone. Facies and petrographic analyses were combined in our study of a section of the Crato Member in Nova Olinda (State of Ceará, Brazil), aiming to investigate its depositional and diagenetic history. Thus, we analy...