Pea Cockle
Euglesa casertana
This record describes Euglesa casertana (species). Recorded family: Sphaeriidae. Recorded order: Veneroida.
Identification and Appearance

Up to 5mm, rounded (but often quadrate in juveniles) but variable. Less tumid than other Euglesa species and often with a silky appearance. The umbo is flattened and off-centre.Best identified by examination of the cardinal teeth - part of the internal hinge. Common and widespread across all of Great Britain and Ireland. No additional images available for this species.
Classification
- Kingdom
- Animalia
- Phylum
- Arthropoda
- Order
- Veneroida
- Family
- Sphaeriidae
- Genus
- Euglesa
Imported taxonomy record. Source availability varies; see the source references and editorial policy below.
Habitat and Range
Habitat
All types of aquatic habitats.
Seasonal Activity
All year.
Additional species information
Recorded status
Common and widespread across all of Great Britain and Ireland.
About Veneroida: the wider group
Order-level background for Veneroida, the group containing Euglesa casertana. Species-specific details appear above.
Group overview
This is a smaller arthropod order with specialized ecological roles. Arthropods are the most diverse animal phylum, comprising over 80% of all known animal species with approximately 1.2 million described species globally.
Ecological role of the group
Members of this order contribute to broader arthropod ecosystem functions including decomposition, predation, and serving as food sources for vertebrates. Arthropod biodiversity is essential for ecosystem resilience.
Economic and practical significance of the group
While this order has limited direct economic impact, arthropods collectively provide ecosystem services worth trillions of dollars annually through pollination, decomposition, pest control, and nutrient cycling.
Recorded sources for this group: General entomology and arthropod research. Imported estimates may describe particular regions or reporting periods.
Photos of Pea Cockle (6)
Frequently Asked Questions About Pea Cockle
What is Pea Cockle?
Pea Cockle (Euglesa casertana) is a species in the family Sphaeriidae, within the order Veneroida.
Where is Pea Cockle found?
Habitat: All types of aquatic habitats.
When is Pea Cockle active?
Pea Cockle: seasonal activity - All year..
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