Morphology of genera traditionally placed in Penicillophorinae. A, B Head ventral: A Penicillophorus sp. B Acladocera hispaniola Wittmer, 1981. C–E Right antenna: C Penicillophorus sp., D Acladocera sp., E Walterius sp. Scale bars: 0.2 mm (A, B), 0.5 mm (C–E).

 
 
  Part of: Barbosa FF, Roza AS, Mermudes JRM, Geiser MF, Hodecek J, Dey L-S, Ivie MA, Vega-Badillo V, Ferreira VS, Kundrata R (2025) Phylogenomic analyses of rare Neotropical lineages reveal the independent loss of antennal rami in railroad-worm beetles (Coleoptera: Phengodidae). Arthropod Systematics & Phylogeny 83: 531-542. https://doi.org/10.3897/asp.83.e164315