{{Short description|Species of gastropod}} {{Speciesbox | taxon = Thelyssa callisto | image = | image_caption = | authority = Bayer, 1971 | synonyms_ref = | synonyms = | display_parents = 5 }}
'''''Thelyssa callisto''''' is a species of extremely small deep water sea snail, a marine gastropod mollusk in the family Seguenziidae.<ref name="WoRMS">WoRMS (2013). ''Thelyssa callisto'' Bayer, 1971. Retrieved through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=492417 on 2013-06-10</ref><ref>Intergovernmental Oceanographic Commission (IOC) of UNESCO. The Ocean Biogeographic Information System (OBIS)</ref>
==References== {{reflist}}
==External links== * [https://www.biodiversitylibrary.org/name/Thelyssa+callisto Biodiversity Heritage Library (1 publication)] * [http://www.eol.org/pages/4798466 Encyclopedia of Life] * [http://collections.mnh.si.edu/search/iz/?qn=Thelyssa+callisto USNM Invertebrate Zoology Mollusca Collection] * [http://www.marinespecies.org/aphia.php?p=taxdetails&id=492417 World Register of Marine Species] {{Taxonbar|from=Q14481627}}
callisto Category:Gastropods described in 1971
{{Seguenziidae-stub}}