Eocene Green River Water Strider IF-PCM-16-060 Triassic Their forelimbs were slightly shorter

Their forelimbs were slightly shorter than their hind limbs

are undoubtedly the most infamous of all prehistoric sharks

The antenna and stinger are exceptional

The genus name is derived from Greek words heart seed

The species is robust with a somewhat long shaft on the body chamber and a moderate recurved aperture or hook

Eocene Green River Water Strider IF-PCM-16-060 Triassic Their forelimbs were slightly shorterWater Strider (Family Gerridae) Green River Formation Middle Eocene Lincoln County, Wyoming Seen here is a very good example of a true bug (Order Hemiptera) water strider of the family Gerridae. It is an aquatic insect that had a very light weight body and long legs that allow them to live on the surface of the water, running or skating on the surface. They fed on smaller insects that fell onto the surface or small insects just below the surface. The