Petitilla - Wikipedia en.wikipedia.org

Petitilla crosseana (Dall,... www.jaxshells.org

Petitilla crosseana (Dall,... www.jaxshells.org

Petitilla crosseana (Dall,... www.jaxshells.org

Petitilla crosseana (Dall,... www.jaxshells.org

Syrnola producta |... olram9.wixsite.com

Pyramid Snails (Family... www.inaturalist.org

Pyramid Snails (Family... www.inaturalist.org

1997. "Petitilla, new name... www.biodiversitylibrary.org...

Syrnola producta |... olram9.wixsite.com

PYRAMIDELLIDAE - Gastropods... conchology.be

large.jpg www.inaturalist.org

Syrnola producta |... olram9.wixsite.com

PYRAMIDELLIDAE - Gastropods... www.conchology.be

v.110 (1996-1997) - The... www.biodiversitylibrary.org...

Download - Aquatic Commons www.yumpu.com

Waccamaw Mollusca Review... digitalcommons.gardner-webb...

Category:Pyramidellidae -... commons.wikimedia.org

Molluscabase - taxdetails www.molluscabase.org

Any suggestion on which... www.researchgate.net