Helicoidea (Helicoid land snails)

QUAKES: EARTHQUAKE! 4.1M Earthquake 21 Kilometers West of Petrolia 12:18 a.m.
QUAKES: EARTHQUAKE! 4.2M Earthquake 59 Kilometers Southwest of Ferndale 12:16 a.m.
EPD: <a href="https://lostcoastoutpost.com/patrolled/eureka/2025/feb/11/#incident-1013159">BIKE STOP &#8212; 3300 Block of BROADWAY ST midnight
PATROLLED: Arcata Police Department: Feb. 11, 2025 midnight
PATROLLED: Humboldt County Sheriff&#8217;s Office: Feb. 11, 2025 midnight
PATROLLED: Fortuna Police Department: Feb. 11, 2025 midnight
PATROLLED: Eureka Police Department: Feb. 11, 2025 midnight

Helminthoglypta arrosa. Photo: (c) Matthew Zlatunich, some rights reserved (CC BY-NC)

Helicoidea is a taxonomic superfamily of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the clade Stylommatophora.

Family: Xanthonychidae

Family: Polygyridae (Polygyrid snails)