74a1c6a86f8f0de85dcd60adc74f5841

...

Laevispirifer Ushatinskaya, 1977

Source

Rank

genus

Names

1

in Stukalina (Ed. ). New species of fossil plants and invertebrates of the USSR. 4. Paleont. Inst. , Akad. Nauk SSSR, `Nauka', Moscow: 137.