Cladoselache was a 6 foot long primitive proto-shark which lived during the late Devonian Period 370-360 million years ago. Several publications from the 20th Century state that Cladoselache was the oldest-known shark. However, studies from the early 2000s onwards have… Read More ›
Stethacanthus was a primitive proto-shark which swam the seas from the late Devonian Period to the end of the Carboniferous Period approximately 380-300 million years ago. Fossils of various species of this genus have been found worldwide. Stethacanthus is distinctive… Read More ›
Diplodoselache, meaning “double-toothed shark”, was a prehistoric freshwater proto-shark which lived in Scotland during the early Carboniferous Period 345-330 million years ago. Teeth of this animal were discovered in the Wardie Shale Formation of Scotland’s Midland Valley during the 1840s,… Read More ›
Asteracanthus was a 6 foot long hybodont shark which lived from the middle Jurassic Period to the middle Cretaceous Period 165-100 million years ago. Unlike most prehistoric sharks which are known only from teeth, Asteracanthus is also known from some… Read More ›
Cretalamna, meaning “chalk shark”, was a 10 foot long shark which lived from the middle Cretaceous Period to the Eocene Epoch of the Paleogene Period 105-46 million years ago. Cretalamna was one of the first so-called “modern” sharks to appear…. Read More ›
Cretodus, meaning “chalk tooth”, was a 22 foot long shark which lived throughout the world during the middle to late Cretaceous Period 100-85 million years ago. Cretodus was one of the first “modern” sharks to appear on earth during the… Read More ›
Xenacanthus, meaning “strange spine”, was a 3 foot long shark-like freshwater fish which lived in North America, South America, Europe, and Asia from the second half of the Carboniferous Period to the end of the Permian Period, approximately 323-251 million… Read More ›
Paranomotodon, whose name means “near/almost Anomotodon“, was a primitive thresher shark which lived during the middle and late Cretaceous Period, circa 95-66 million years ago. Anomotodon was an extinct species of goblin shark, and fossil shark teeth which were found… Read More ›
Serratolamna was a genus of prehistoric shark which lived from the late Cretaceous Period to the Eocene Epoch of the Paleogene Period, approximately 75-45 million years ago. The genus is currently divided into several species, of which the species S…. Read More ›
Strophodus was a 10 foot long hybodont shark which specialized in eating shellfish. It appeared during the early Jurassic Period and went extinct during the early Cretaceous Period, making it one of the longest-lived shark genera in the fossil record…. Read More ›
DINOSAURS AND BARBARIANS 