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New Mesozoic cockroaches [Blattaria: Blattulidae] from Jehol Biota of Western Liaoning in China

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Wang T., Ren D., Liang J. H., Shih C.

Annales Zoologici

2007

tom 57

nr 3

Macaroblattula ellipsoides gen. et sp. nov., Elisama cuboides sp. nov. and E. extenuata (Ren, 1995) of the dominant cockroach family Blattulidae are described from the Late Jurassic/Early Cretaceous Yixian Formation of western Liaoning in China. Forewing venation of E. extenuata reveals low variation (CV for total number of veins = 6.22), which indicates active flight of this advanced taxon. Presence of Macaroblattula gen. nov. suggests a generic variation and high adaptability of the family. Taxonomic composition supports the transitional Late Jurassic/Early Cretaceous age of the Yixian Formation and dominance of the family Blattulidae within assemblage indicates their significance in food chain.

Ograniczanie wyników

1 Annales Zoologici

1 Liang J. H.

1 Ren D.

1 Shih C.

1 Wang T.

1 2007

Wyniki wyszukiwania

New Mesozoic cockroaches [Blattaria: Blattulidae] from Jehol Biota of Western Liaoning in China