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Spriggina is a genus of early animals whose relationship to living animals is unclear. Fossils of Spriggina are known from the late Ediacaran period in what is now South Australia . Spriggina floundersi is the official fossil emblem of South Australia; [ 2 ] it has been found nowhere else.
†Spriggina floundersi. Glaessner, 1958. Genera See text. Sprigginidae is an extinct family of cephalozoans characterized by having a greater number of isomers than ...
Spriggina fossils represent the first known organisms with a bilaterally symmetric body plan. They had a head, tail and almost identical halves. [ 3 ] They probably had sensory organs in the head and digestive organs in the tail which would have allowed them to find food more efficiently.
She strives to eat seven pieces of fruit a day, all of which offer her the vitamins and minerals for her hair and skin. In the morning, her breakfast is made with only "a few ingredients and lots ...
Kelly Ripa is giving fans an update on her family's senior dog, Chewie.. After getting emotional during a recent episode of Live with Kelly and Mark over her 17-year-old dog's deteriorating health ...
In light of Pope Francis’ latest diagnosis, Dr. Leana Wen explains why older adults are especially at risk for serious disease due to respiratory infections.
Spriggina was originally interpreted as annelid or arthropod. However, lack of known limbs, and glide reflected isomers instead of true segments, rejects any such classification despite some superficial resemblance. Late Ediacaran Archaeonassa-type trace fossils are commonly preserved on the top surfaces of sandstone strata.
Door draft stoppers are an affordable, low-effort way to block out breezes, noise, light, odors and even bugs. It's a great first step in making sure you tackle your cold problem by blocking cold ...