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Odkazy a literatura
[1] Mergl M. (2003): Orbaspina chlupaci sp. nov., a new siphonotretid brachiopod from the Silurian of the Barrandian area, Bohemia, Bulletin of Geosciences, Vol. 78, No. 4, 419–421 [jako Orbaspina chlupaci Mergl, 2003]
Mergl M. (2003): Orbaspina chlupaci sp. nov., a new siphonotretid brachiopod from the Silurian of the Barrandian area, Bohemia, Bulletin of Geosciences, Vol. 78, No. 4, 419–421 [jako Orbaspina chlupaci Mergl, 2003]