A genus of small to medium-sized marine clams

A term used in paleontology referring to a fossilized remains of a specific group of organisms

जीवाश्मों के एक विशिष्ट समूह के अवशेष

English Usage: The psamathium specimens were crucial to understanding the ecosystem of the period.

Hindi Usage: psamathium नमूने उस अवधि के पारिस्थितिकी प्रणाली को समझने के लिए महत्वपूर्ण थे।