An extinct class of primitive marine animals characterized by their calcareous skeletons.
कैल्शियम युक्त कंकाल वाले प्राचीन समुद्री जीवों का विलुप्त वर्ग।
English Usage: Archaeocyatha were some of the early reef builders in the Cambrian period.
Hindi Usage: आर्कियोक्याथा कैम्ब्रियन अवधि में कुछ शुरुआती रीफ निर्माता थे।
aarkiyokyaatha, arkiyakyaatha, aarkiyokyatha, aarkiyokatha, arkiokyatha, arkiyokatha, arkiyokyatha, arcyokyatha, arkiaokyatha
