also: りくがめか
noun
Testudinidae; tortoise family
Taxonomic term for the family of land-dwelling turtles; used in biological contexts.
リクガメ科には多くの絶滅危惧種が含まれている。
The family Testudinidae includes many endangered species.
リクガメ is the common word for 'tortoise', while リクガメ科 is the formal taxonomic family name.
From 陸 (riku, 'land') + 亀 (kame, 'turtle') + 科 (ka, 'family'), a straightforward compound forming the taxonomic name.