penile shape discriminates two cryptic species of akodon meyen, 1833 (mammalia, rodentia, cricetidae) from eastern brazil

HIGHLIGHTS

• who: Leonardo Campana from the Sampling For penis analyses, we used , male adults (Table, Fig A, Suppl. material, ), including , wild-born (, A. cursor and , A. montensis) and , captive-born (, A. cursor, A. montensis, and , hybrids). See Table , for subgroup acronyms. For captive-born grouping, we analysed individuals aged at least , months old. The species identification and their hybrids were based on karyotype features: diploid number (2n), the number of autosomal arms or fundamental number (FN), and the morphology of autosomes. Metaphases were obtained from bone marrow after in vivo injection of colchicine, following Fagundes et_al (1998). All . . .
  

   

  

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