Miquel and Rodriguez—Terrestrial gastropods from Santa Cruz
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Figure 2. Stratigraphic profile of Santa Cruz Formation (continental, late Burdigalian/early Langhian, between 18 and 15 Myr). Fossiliferous levels are indicated in arabic numerals. CA: outcropping fossiliferous levels at Corriguen Aike. The arrow indicates fossil-bearing Level 6 (after Tauber, 1999), from which land snail specimens were recovered. Modified from Tauber 1999.