Mergl, M.; Massa, D. (1992). Devonian and Lower Carboniferous brachiopods and bivalves from western Libya. Biostratigraphie du Paléozoïque. 12: 1-115, 29 plates.
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Mergl, M.; Massa, D.
1992
Devonian and Lower Carboniferous brachiopods and bivalves from western Libya