New palaeontinidae (Insecta

Cicadomorpha) from the lower cretaceous crato formation of Brazil

Federica Menon, Sam William Heads, David M. Martill

Research output: Contribution to journalArticle

Abstract

Two new genera and four new species of Palaeontinidae (Cicadomorpha), Baeocossus finchae gen. et sp. nov., Colossocossus loveridgei gen. et sp. nov., C. rugosa gen. et sp. nov. and Parawonnacottella penneyi sp. nov. are described from the Nova Olinda Member of the Upper Aptian (Lower Cretaceous) Crato Formation of Ceará, northeast Brazil. The diagnosis of the genus Parawonacottella Ueda is revised. The new taxa form a natural group with other Early Cretaceous forms including Cratocossus magnus Martins-Neto, also from the Crato Formation, and the "Ilerdocossus-complex" from the Berriasian-Valanginian of Montsec, Spain (Ilerdocossus Gomez-Pallerola = Wonnacottella Whalley and Jarzembowski) and the ?Hauterivian-Barremian of Liaoning and Hebei, China (Ilerdocossus = Liaocossus Ren, Yin and Duo, syn. nov.). Preliminary analysis of geographical distribution and relationships suggests that this group originated in Central or East Asia in the Middle Jurassic before spreading into Western Europe and South America. The distribution of the "Ilerdocossus-complex" supports a Late Jurassic exodus from Asia.

Original languageEnglish (US)
Pages (from-to)837-844
Number of pages8
JournalCretaceous Research
Volume26
Issue number6
DOIs
StatePublished - Dec 1 2005
Externally publishedYes

Fingerprint

Jurassic
Cretaceous
Hauterivian
Valanginian
Berriasian
Barremian
Aptian
new taxon
geographical distribution
new genus
new species
Asia
distribution
analysis
South America
Western Europe

Keywords

  • Brazil
  • Cicadomorpha
  • Crato Formation
  • Early Cretaceous
  • Mesozoic
  • Palaeontinidae

ASJC Scopus subject areas

  • Palaeontology

Cite this

New palaeontinidae (Insecta : Cicadomorpha) from the lower cretaceous crato formation of Brazil. / Menon, Federica; Heads, Sam William; Martill, David M.

In: Cretaceous Research, Vol. 26, No. 6, 01.12.2005, p. 837-844.

Research output: Contribution to journalArticle

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