Psammolepis

a genus of extinct Agnatha that lived during the Devonian. The body, which reached 80 cm in length, was broad and flat and covered with a large carapace of three-layer bony plates. There were ten species. The animals lived in rapidly flowing rivers and fed on benthic animals. Scales and carapace plates have been found in sandy delta deposits of the Middle and Upper Devonian on the East European Plain and in Scotland.

REFERENCE

Obruchev, D. V., and E. Iu. Mark-Kurik. Psammosteidy (Agnatha, Psammosteidae) devona SSSR. Tallinn, 1965.

单词	psammolepis
释义	Psammolepis Psammolepis a genus of extinct Agnatha that lived during the Devonian. The body, which reached 80 cm in length, was broad and flat and covered with a large carapace of three-layer bony plates. There were ten species. The animals lived in rapidly flowing rivers and fed on benthic animals. Scales and carapace plates have been found in sandy delta deposits of the Middle and Upper Devonian on the East European Plain and in Scotland. REFERENCE Obruchev, D. V., and E. Iu. Mark-Kurik. Psammosteidy (Agnatha, Psammosteidae) devona SSSR. Tallinn, 1965.
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