Scientific classification:
Superdomain: Neomura
Domain: Eukaryota
(unranked): Opisthokonta
(unranked) Holozoa
(unranked) Filozoa
Kingdom: Animalia
Subkingdom: Eumetazoa
(unranked): Bilateria
(unranked): Protostomia
Superphylum: Lophotrochozoa
Phylum: Mollusca
Subphylum: Conchifera
Class: Gastropoda
Subclass: Caenogastropoda
Order: Architaenioglossa
Superfamily: Cyclophoroidea
Family: Cyclophoridae
Subfamily: Cyclophorinae
Genus: Cyclophorus

34mm

Collection data not reliable (Philippines)

Check interesting comments: cutt.ly/CkNANok

From my collection

Taken: February 14, 2021

High resolution via Flickr https://flic.kr/p/2kBVqUF