A new species of Hastospiculum Skrjabin (Spirurida: Diplotriaenidae) parasite of Xenodon merremii (Walger in Spix) (Serpentes: Dipsatiitlae) from Northeastern Brazil. Zootaxa, 4878(2), Nov 13 2020: 362-374. 364 [Zoological Record Volume 157]