Invertebrates
What is the largest arthropod?
Jaekelopterus rheniae
What is the largest dinosaur?
Argentinosaurus
What is the largest Elephant?
Palaeoloxodon Namadiscus
What is the largest Palaeozoic animal?
Dunkleosteus
What is the largest flying bird?
Argentavis magnificens
What is the largest insect?
Arthropleura armata
What is the largest monitor lizard?
Megalania
What is the largest mammal ever?
Paraceratherium
What is the largest Shark?
Carcharodon/Otodus Megalodon
What is the largest Penguin?
Anthropornis
What is the largest Cambrian lifeform?
Anomalocaris
What is the largest carnivore?
Spinosaurus
What is the relative to the sperm whale?
Livyatan melvillei
What is the largest fish ever?
Leedsichthys problematicus
What is the largest flightless bird?
North Island Giant Moa
What is the largest trilobite?
Isotelus maximus
What is the largest Snake?
Titanoboa
What are prehistoric pigs?
Entelodontidae
What is the largest pirhana?
Megapirhana
What is the first bird?
Archaeopteryx (non-avian)
What is the largest ammomite?
Parapuzosia
What is the largest pterosaur?
Hatzegopteryx
What is the Extinct animal in the human time?
Thylacine
What is the largest fish that start with X?
Xiphactinus audax
What is the largest carnivorus bird?
Gastornis