#4584 · 🐌 snails, slugs & other molluscs

Cut Trough Shell

🇳🇱 Halfgeknotte strandschelp ·Spisula subtruncata

🐌 Snails, slugs & other molluscs 📍 in the Netherlands

10 photos from iNaturalist (Creative Commons) · credits & licences

1. © jonatan_antunez · CC BY-NC 4.0
2. © cccrll · CC BY-NC 4.0
3. © Lisa Bennett · CC BY 4.0
4. © cccrll · CC BY-NC 4.0
5. Den Helder, NL-NH, NL:© thiesbue · CC BY-NC 4.0
6. 2597 KL Haia, Países Baixos:© Mariana José · CC BY-NC 4.0
7. Strandslag Kiefteglop, Callantsoog, North Holland, NL:© Berno Hellauer · CC BY-NC 4.0
8. Wassenaar, Nederland:© Rob Westerduijn · CC BY-NC 4.0
9. Noordwijk, Zuid-Holland, Netherlands:© Michel Langeveld · CC BY 4.0
10. Schiermonnikoog, Schiermonnikoog, Friesland, Netherlands:© Michel Langeveld · CC BY 4.0

what is it?

Spisula subtruncata , the Cut Trough Shell , is a medium-sized marine clam, or bivalve mollusc, found in the Eastern Atlantic from Iceland to Morocco and into the Mediterranean Sea. Common and sometimes very numerous. 98 in) long, with a distinct triangular shape. This species of clam is found in sandy and silty bottom in the sublittoral zone, where it lives as a sediment-burrowing filter feeder.

base stats

NL sightings 264iNaturalist, research grade
worldwide 1,949iNaturalist observations

Bars compare against all animals on log scales: up to 300,000 Dutch and 600,000 worldwide sightings (the most-seen species), 150 t (blue whale), 30 m and 400 years (Greenland shark).

fun facts

Spotted 264 times in the Netherlands on iNaturalist: the #16 most seen of the snails, slugs & other molluscs in NL.
1,949 observations worldwide on iNaturalist.
Scientifically named by Emanuel Mendes da Costa in 1778 (248 years ago).