New species of Semnoderidae (Kinorhyncha: Cyclorhagida: Kentrorhagata) from the Gulf of Mexico

@article{Srensen2017NewSO,
  title={New species of Semnoderidae (Kinorhyncha: Cyclorhagida: Kentrorhagata) from the Gulf of Mexico},
  author={Martin Vinther S{\o}rensen and Stephen C. Landers},
  journal={Marine Biodiversity},
  year={2017},
  volume={48},
  pages={327-355}
}
Two new species of Semnoderidae from the Gulf of Mexico are described, and the presence of Antygomonas cf. gwenae and a yet undescribed species of Antygomonas is reported. Sphenoderes aspidochelone nov. sp. is recognized by the presence of a first segment forming a closed ring with deep middorsal and midventral incisions, stout, middorsal acicular spines on segments 1 to 11, lateroventral acicular spines on segments 3 to 9, sexually dimorphic laterodorsal spines on segment 10 and minute… 
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