A CRUSTOID GRAPTOLITE LITHOIMMURED INSIDE A MIDDLE ORDOVICIAN NAUTILOID CONCH FROM NORTHERN ESTONIA
Olev Vinn (1*), Mark A. Wilson (2) & Ursula Toom (3)
CRYPTIC ENCRUSTING FAUNA INSIDE INVERTEBRATE FOSSILS FROM THE ORDOVICIAN OF ESTONIA
Olev VINN (1), Andrej ERNST (2), Ursula TOOM (3) & Mare ISAKAR (4)
