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The Glen Rose Formation is a shallow marine to shoreline geological formation from the lower Cretaceous period exposed over a large area from South Central to North Central Texas. The formation is most widely known for the dinosaur footprints and trackways found in the Dinosaur Valley State Park near the town of Glen Rose, Texas, southwest of ...
The clown featherback (Chitala ornata), also known as the clown knifefish and spotted knifefish, is a nocturnal species of tropical fish with a long, knife-like body. This knifefish is native to freshwater habitats in Cambodia, China, Hong Kong, Laos, Macau, Thailand, and Vietnam, [2] but it has also been introduced to regions outside its native range. [1]
Clownfish or anemonefish are fishes from the subfamily Amphiprioninae in the family Pomacentridae. Thirty species of clownfish are recognized: one in the genus Premnas, while the remaining are in the genus Amphiprion. In the wild, they all form symbiotic mutualisms with sea anemones. Depending on the species, anemonefish are overall yellow ...
Evolution of fish. The Devonian period (419–359 Mya), also known as the Age of Fishes, saw the development of early sharks, armoured placoderms and various lobe-finned fish, including the tetrapod transitional species. The evolution of fish began about 530 million years ago during the Cambrian explosion. It was during this time that the early ...
The body of A. latifasciatus is blackish, with yellow snout, belly and all fins and two white bars. The mid-body bar is generally wider than similar species. The caudal fin is slightly forked. They have 10-11 dorsal spines, 2 anal spines, 15-16 dorsal soft rays and 12-14 anal soft rays. [3] They reach a maximum length of 13 cm (5 in).
Dinosaur Valley State Park, located just northwest of Glen Rose in Somervell County, Texas, is a 1,524.72-acre (617 ha) scenic park set astride the Paluxy River. The land for the park was acquired from private owners under the State Parks Bonds Program during 1968 and opened to the public in 1972. [4] In addition to being a state park, it is ...
The Red Beds of Texas and Oklahoma are a group of Early Permian -age geologic strata in the southwestern United States cropping out in north-central Texas and south-central Oklahoma. They comprise several stratigraphic groups, including the Clear Fork Group, the Wichita Group, and the Pease River Group. [1] The Red Beds were first explored by ...
Clark's anemonefish in beaded sea anemone. Orange and black variation. Juvenile color variation. Clark's anemonefish is a small-sized fish which grows up to 10 cm as a male and 15 cm as a female. [5][6] It is stocky, laterally compressed, and oval to rounded. It is colorful, with vivid black, white, and yellow stripes, though the exact pattern ...