Specific designation(s) of asymmetrical Upper Cretaceous rhynchonellids, formerly considered as "Rhynchonella difformis"
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| Format: | Article |
| Language: | English |
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| Source: |
1. Mineralia Slovaca 1. 0369-2086 1. Roč. 29, č. 4-5(1997), s. 340 |
| Physical Description: | Lit. 6 zázn. |
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| ISSN: | 0369-2086 |