- Article
 
An Introduction to the Study of Gastrotricha, with a Taxonomic Key to Families and Genera of the Group
- M. Antonio Todaro,
 - Jeffrey Alejandro Sibaja-Cordero,
 - Oscar A. Segura-Bermúdez,
 - Génesis Coto-Delgado,
 - Nathalie Goebel-Otárola,
 - Juan D. Barquero,
 - Mariana Cullell-Delgado and
 - Matteo Dal Zotto
 
Gastrotricha is a group of meiofaunal-sized, free-living invertebrates present in all aquatic ecosystems. The phylum includes over 860 species globally, of which 505 nominal species have been recorded in marine sandy sediments; another 355 taxa inhab...

