Birgeria

Birgeria, mini zuriya yikan nuwan marine dagan eka Triassic bo wun dan'o. Birgeria de kunkun yizhe kaman'o be dakun dagan kin Madagascar, Spitsbergen, Germany, Switzerland, Italy, Slovenia, China, Russia, Canada ah be Nevada, kin United States'o. Dakun gbako yi dagan eba elugi Griesbachian nyan yilozun Greenland'o. Birgeria fe danbo eka nyan Triassic period kpata'o, dagan chaba nyan nan Permian Triassic zo nan har be zoba nyan Triassic Jurassic'i.

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