F++. My very last spare. Southwest coast of Thailand, by local collectors on sand and shortweed at night at 2-5m. Newly published in 2022. Check the paper on: https://www.researchgate.net/publication/358267929_Studies_in_Canarium_urceus_Linnaeus_1758_Part_6_A_new_Canarium_species_from_the_Andaman_Sea_Gastropoda_Strombidae_and_discussion_on_related_species