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Cyclostomes: The Ancient Lineage of Jawless Fish In the vast history of vertebrate evolution, few groups are as enigmatic as the Cyclostomes. Derived from the Ancient Greek words kúklos (...
Read Cyclostomes: The Ancient Lineage of Jawless FishJawless Fish: The Ancient Lineage of Agnathans Long before the rise of the complex predators we recognize today, the oceans were home to the Agnatha, or jawless fish. These primitive vert...
Read Jawless Fish: The Ancient Lineage of AgnathansJawless Fish: The Ancient Lineage of Agnathans Long before the rise of the diverse array of jawed vertebrates that dominate the oceans and land today, the waters of the ancient Earth were...
Read Jawless Fish: The Ancient Lineage of AgnathansEndostyle: The Evolutionary Precursor to the Thyroid Gland The endostyle is a specialized organ found in invertebrate chordates, including tunicates and lancelets, as well as in the larva...
Read Endostyle: The Evolutionary Precursor to the Thyroid Gland