New data on Homocladus grandis, a Permian stem-mantodean (Polyneoptera: Dictyoptera)

Autor:	Joseph D. Hall, Roy J. Beckemeyer, Michael S. Engel, Olivier Béthoux
Rok vydání:	2010
Předmět:	Paleontology biology Extant taxon Permian Range (biology) Morphological variation Dictyoptera Morphology (biology) biology.organism_classification Polyneoptera
Zdroj:	Journal of Paleontology. 84:746-753
ISSN:	1937-2337 0022-3360
DOI:	10.1666/09-121.1
Popis:	Representatives of the family Strephocladidae have been considered as fossil relatives (i.e., stem-group) of Mantodea (mantises) based on characters of the forewing morphology. Here we describe new specimens from the Wellington Formation that we assign to the strephocladid species Homocladus grandis Carpenter, 1966. The range of morphological variation exhibited by the new material, in addition to wing morphology variability documented in extant mantises and roaches, suggest that H. ornatus Carpenter, 1966 and Paracladus retardatus Carpenter, 1966, reported from the same formation, are new junior subjective synonyms of H. grandis. We describe the first hind wing for this species based on a well-preserved specimen. It exhibits a combination of character states unique to dictyopteran insects.
Databáze:	OpenAIRE
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