Corals sponges and other reefbuilders

A pair of corals from Miocene of "Mis Kazantip"   The most abundant fossils in Kazantip and other Kerchen penninsula are remains of coral reefs. The corals pictured above are similar to the Miocene corals from Ternopilsk region of Ukraine! This is pretty interesting, because this proves that "central Ukraine" was underwater during Neogene. However there is a difference: in north part of Paratethys Sea, crabs like Daira or Harpathocarcinus are very abumdant, but in this crimean deposits I didn't find any. A sponge. Found in Tatarskaya buchta: see "More info"   Also sponges are widely distributed. On the seashore areas giant ones, like one pictured on this page, often are found, while in the mainland their fossils are very rare.