To which family does the apex predator Xiphactinus belong?
Answer
Ichthyodectidae
*Xiphactinus* is classified specifically within the family Ichthyodectidae. This places it within the broader group of ray-finned fishes known as Teleostei, which encompasses most modern fish species. The Ichthyodectidae family represented a relatively advanced group of fish for the mid-Cretaceous period, and *Xiphactinus* stood out due to its enormous size and specialized predatory adaptations compared to its relatives within that same family framework.
Related Questions
To which family does the apex predator Xiphactinus belong?During which geological ages did Xiphactinus maintain its predatory success?What is the commonly estimated adult length range for Xiphactinus specimens?How were the teeth of Xiphactinus set, distinguishing it from later bony fishes?What morphological feature did the caudal fin of Xiphactinus share with modern tuna?What potential metabolic state is debated for Xiphactinus compared to most modern fish?What ancient ocean once split North America where Xiphactinus thrived?From which famous chalk beds are detailed Xiphactinus fossils frequently recovered?Which massive marine reptile did Xiphactinus coexist with but not dominate as a predator?Which Xiphactinus species is designated as the more widely known and larger apex predator?What aggressive feeding strategy does the swallowed Protosphyraena illustrate for Xiphactinus?