Fossil Jellyfish Classic Boxed Specimens iceage Translated into Spanish

Translated into Spanish

These particular arrowheads are made from bronze and feature a trilobate design

The event ended eight months later

or similar activity could cause the protective coating to wear prematurely and allow rust to form

Above: A White Shark Jumping with Prey at Sunset (Source: Mini Museum)A seal unfortunate enough to find itself in the eyes of a hungry great white is in for a prolonged and brutal struggle

Fossil Jellyfish Classic Boxed Specimens iceage Translated into SpanishLimited Availability This specimen is an ichnofossil of an Essexella, an extinct genus of scyphozoan jellyfish dating to the Late Carboniferous Period (c. 300,000,000 years ago). Such soft body structures are usually lost to time, but at Mazon Creek, Illinois, a unique fossil record captures cycles of rapid coastal flooding that combined layers of ocean sediment with iron rich groundwater to produce tough ironstone nodules. This makes it possible for