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Orthacanthus platypternus from the Craddock Bonebed shark layer in Texas, USA, shows evidence of resorption, and the equivalent of an "enamel pearl." [ 8 ] Some of the teeth specimens found at this location show evidence of resorption, which has not been previously observed in other faunal members at the same location. [ 8 ]
Basking shark: Cetorhinus maximus: The second largest living fish after the whale shark. Batfish Platax orbicularis: Non-native, invasive species. Bay anchovy: Anchoa mitchilli: Bay whiff: Citharichthys spilopterus: Bearded brotula: Brotula barbata: Beaugregory: Stegastes leucostictus: Belted sandfish: Serranus subligarius: Beluga (sturgeon ...
The first shark-like chondrichthyans appeared in the oceans 400 million years ago, [1] developing into the crown group of sharks by the Early Jurassic. [2] Listed below are extant species of shark. Sharks are spread across 512 described and 23 undescribed species in eight orders. The families and genera within the orders are listed in ...
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Experts have identified a great white shark 200 yards off the shore of South Padre Island. Here's what we know. Meet LeeBeth. Don't let her sweet name fool you!
Bringing back the sawfish. Florida adopted protections in 1992 and the U.S. population of sawfish was the nation’s first native marine fish listed under the Endangered Species Act in 2003. By ...
The dusky smooth-hound (Mustelus canis), also called the smooth dogfish or the dog shark, is a species of houndshark in the family Triakidae. [1] This shark is an olive grey or brown in color, and may have shades of yellow or grayish white. Females live to 16 years and males have a lifespan of 10 years.
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