Revisiting the morphology and systematic placement of the enigmatic Cretaceous ommatid beetle Bukhkalius lindae (Coleoptera: Archostemata: Ommatidae)
Center for Excellence in Life and PaleoenvironmentLi, Yan-Da; Center for Excellence in Life and PaleoenvironmentHuang, Di-Ying; Center for Excellence in Life and PaleoenvironmentCai, Chen-Yang.
Pap. avulsos zool;
61: e20216128, 2021. graf
Artigo
em Inglês
|
LILACS-Express
| ID: biblio-1287456
Resumo
Abstract The systematic position of Bukhkalius lindae (Jarzembowski et al. 2017) from mid-Cretaceous Burmese amber is revised based on a re-examination of the type specimen. Our observations confirm that B. lindae lacks unique apomorphies of Tetraphalerus Waterhouse, in which it was originally placed, including complete antennal grooves and mushroom-shaped micro-tubercles. It is well justified to place it into a separate genus, i.e., Bukhkalius Kirejtshuk & Jarzembowski, 2020. The incomplete but distinct antennal grooves and the Tetraphalerus-like mouthparts of B. lindae suggest that it has a close affinity to Tetraphalerus. Therefore, B. lindae may represent a missing link bridging the morphological gap between extant ommatid subfamilies Tetraphalerinae and Ommatinae.
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