trigoniid clam
Refers to any clam of the family Trigoniidae. A technical zoological term; in everyday contexts, the kana spelling is preferred.
Trigoniid clams are bivalves that mainly inhabit the waters around Australia.
Kanji spelling; usually written in kana.
Katakana spelling; sometimes used for biological names or emphasis.
Compound of 三角 (さんかく, 'triangle') + 貝 (かい, 'shellfish'), referring to the triangular shape of the shell.