crepidula: small boot is a Latin feminine noun not an adjective
marine, brackish, fresh, terrestrial
recent + fossil
(of)Fichtel, L. v.; Moll, J. P. C. (1798). Testacea microscopica, aliaque minuta ex generibus Argonauta et Nautilus, ad naturam delineata et descripta. <em>A. Pichler, Wien.</em> xii + 123 pp., 24 pl., available online athttps://www.biodiversitylibrary.org/bibliography/10295#/summary page(s): p. 107, pl. 19, figs. g-i. [details]
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2025). World Foraminifera Database. Astacolus crepidula (Fichtel & Moll, 1798). Accessed through: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2025) European Register of Marine Species at: https://www.vliz.be/vmdcdata/narms/narms.php?p=taxdetails&id=1484639 on 2026-07-02
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2026). European Register of Marine Species. Astacolus crepidula (Fichtel & Moll, 1798). Accessed at: http://marbef.org/data/aphia.php?p=taxdetails&id=1484639 on 2026-07-02
original description(of)Fichtel, L. v.; Moll, J. P. C. (1798). Testacea microscopica, aliaque minuta ex generibus Argonauta et Nautilus, ad naturam delineata et descripta. <em>A. Pichler, Wien.</em> xii + 123 pp., 24 pl., available online athttps://www.biodiversitylibrary.org/bibliography/10295#/summary page(s): p. 107, pl. 19, figs. g-i. [details]
Present Inaccurate Introduced: alien Containing type locality
Present 
![Astocolus crepidulus [Astacolus insolitus sensu Jones (1994)]](http://images.marinespecies.org/thumbs/35469_astocolus-crepidulus-astacolus-insolitus-sensu-jones-1994.jpg?w=140 "Astocolus crepidulus [Astacolus insolitus sensu Jones (1994)]")
