Vol. 773 (2021)

Research article

• Disporella guada sp. nov., an erect-ramose rectangulate cyclostome (Bryozoa, Stenolaemata) from the Caribbean Sea: convergent evolution in bryozoan colony morphology

  Paul D. Taylor, Jean-Georges Harmelin, Andrea Waeschenbach, Claude Bouchon

  1–18

  • PDF
  • PDF/A

• Rare, deep-water and similar: revision of Sibogasyrinx (Conoidea: Cochlespiridae)

  Yuri I. Kantor, Nicolas Puillandre

  19-60

  • PDF
  • PDF/A

• The spider genus Medionops Sánchez-Ruiz & Brescovit (Araneae: Caponiidae) in Colombia, with the description of four new species

  Leonel Martínez, Alexander Sánchez-Ruiz, Alexandre B. Bonaldo

  61–79

  • PDF
  • PDF/A

• Simulium (Trichodagmia) (Diptera, Simuliidae) phylogeny revisited: the Neotropical and Afrotropical connection

  Óscar S. Molina, Leonardo H. Gil-Azevedo

  80–119

  • PDF
  • PDF/A

• Pseudopolydora (Annelida: Spionidae) from the Arabian Gulf, Kuwait

  Vasily I. Radashevsky, Manal Al-Kandari, Vasily V. Malyar, Victoria V. Pankova

  120–168

  • PDF
  • PDF/A

• Echinoderes xiphophorus sp. nov. – the first deep-water representative of Echinoderidae in the Sea of Japan (Kinorhyncha: Cyclorhagida)

  Andrey V. Adrianov, Anastassya S. Maiorova

  169-186

  • PDF
  • PDF/A