Biology:Angustopila psammion

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Short description: Species of snail

Angustopila psammion
Scientific classification edit
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Heterobranchia
Order: Stylommatophora
Family: Gastrocoptidae
Genus: Angustopila
Species:
A. psammion
Binomial name
Angustopila psammion
Páll-Gergely, Vermeulen & Anker. 2022

Angustopila psammion is a species of land snail belonging to the subfamily Hypselostomatinae of the family Gastrocoptidae. It was described in 2022.[1]

This species was discovered by scientists scrutinising a small pothole-like cave located in northern Vietnam, according to the original description published in Contributions to Zoology.[2] According to National Geographic, this is the smallest species of land snail ever found. This species' shell measures 0.6 millimeters in diameter.[3][4] In comparison to other land snails in its family, the Angustopila psammion has a smaller parietal tooth and a shorter spire, however it has a much wider umbilicus.[5]

Etymology

"Psammion (ψαμμιών)" derives from the ancient Greek word for "grain of sand."[4]

References

  1. MolluscaBase eds. (2022). MolluscaBase. Angustopila psammion. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1556455 on 2022-02-05
  2. Páll-Gergely, Barna; Jochum, Adrienne; Vermeulen, Jaap J.; Anker, Katja; Hunyadi, András; Örstan, Aydin; Szabó, Ábel; Dányi, László et al. (2022-01-05). "The world's tiniest land snails from Laos and Vietnam (Gastropoda, Pulmonata, Hypselostomatidae)". Contributions to Zoology 91 (1): 62–78. doi:10.1163/18759866-bja10025. ISSN 1875-9866. https://brill.com/view/journals/ctoz/91/1/article-p62_62.xml. 
  3. "New snail species are world's smallest, tinier than grains of sand" (in en-XL). https://www.msn.com/en-xl/news/other/new-snail-species-are-world-s-smallest-tinier-than-grains-of-sand/ar-AATplr6. 
  4. 4.0 4.1 "Smallest snails on earth discovered?". 2 February 2022. https://www.nationalgeographic.com/animals/article/smallest-snails-on-earth-discovered?linkId=150748492. 
  5. Páll-Gergely, Barna; Hunyadi, András; Vermeulen, Jaap J.; Grego, Jozef; Sutcharit, Chirasak; Reischütz, Alexander; Dumrongrojwattana, Pongrat; Botta-Dukát, Zoltán et al. (2023-02-13). "Five times over: 42 new Angustopila species highlight Southeast Asia's rich biodiversity (Gastropoda, Stylommatophora, Hypselostomatidae)" (in en). ZooKeys (1147): 1–177. doi:10.3897/zookeys.1147.93824. ISSN 1313-2970. PMC 10297824. Bibcode2023ZooK.1147....1P. https://zookeys.pensoft.net/article/93824/. 

Wikidata ☰ Q110819301 entry