Angustopila psammion explained

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]

Notes and 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. Schilthuizen. Menno. 2022-01-05. The world's tiniest land snails from Laos and Vietnam (Gastropoda, Pulmonata, Hypselostomatidae). Contributions to Zoology. 91. 1. 62–78. 10.1163/18759866-bja10025. 1875-9866. free.
  3. Web site: New snail species are world's smallest, tinier than grains of sand. 2022-02-04. MSN. en-XL.
  4. Web site: Smallest snails on earth discovered? . https://web.archive.org/web/20220830205208/https://www.nationalgeographic.com/animals/article/smallest-snails-on-earth-discovered?linkId=150748492. dead. August 30, 2022. National Geographic. 2 February 2022 . 5 February 2022.
  5. Páll-Gergely . Barna . Hunyadi . András . Vermeulen . Jaap J. . Grego . Jozef . Sutcharit . Chirasak . Reischütz . Alexander . Dumrongrojwattana . Pongrat . Botta-Dukát . Zoltán . Örstan . Aydin . Fekete . Judit . Jochum . Adrienne . 2023-02-13 . Five times over: 42 new Angustopila species highlight Southeast Asia's rich biodiversity (Gastropoda, Stylommatophora, Hypselostomatidae) . ZooKeys . en . 1147 . 1–177 . 10.3897/zookeys.1147.93824 . free . 2023ZooK.1147....1P . 1313-2970. 10297824 .

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