Schemm-Gregory, M. (2011). Lusitanispirifer lusitanensis n. gen. et sp. - A new delthyridoid spirifer and its palaeogeographical implications for the Dornes Syncline (Lower Devonian, Portugal). Bollettino della Società Paleontologica Italiana. 50(2): 85-94.
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Schemm-Gregory, M.
2011
<i>Lusitanispirifer lusitanensis</i> n. gen. et sp. - A new delthyridoid spirifer and its palaeogeographical implications for the Dornes Syncline (Lower Devonian, Portugal)
Bollettino della Società Paleontologica Italiana