Crocodilia (/ krɒkəˈdɪliə /) is an order of semiaquatic, predatory reptiles that are known as crocodilians. They appeared 83.5 million years ago in the Late Cretaceous period (Campanian …

Appearing about 230 million years ago, the hearty crocodilians have survived nearly every earthly scenario, though human activities are proving their most formidable challenge yet! They have …

6 days ago · Crocodilians are predatory, semi-aquatic reptiles of the order Crocodilia or Crocodylia. This group includes true crocodiles (family Crocodylidae), alligators and caimans …

Mar 6, 2025 · Crocodilians are amphibious reptiles that thrive in both aquatic and terrestrial environments. They inhabit diverse water bodies, including rivers, lakes, wetlands, swamps, …

Sep 9, 2002 · Crocodilians, along with birds, are the only survivors of the once-prevalent Archosauria. During the Mesozoic (245-65 million years ago) this group, including dinosaurs …

Dec 10, 2025 · Like all reptiles, crocodiles are diapsids—i.e., they have two openings on each side of the skull. Crocodiles also show the most important characteristics of the group that …

There are 23 widely recognized species of crocodiles, alligators, caimans, and gharials, all members of the order Crocodylia. Superficially they resemble reptiles, yet their closest cousins …

Oct 10, 2025 · In this guide, we’ll explore 27 types of crocodiles from around the world — complete with pictures, key identification tips, and fascinating facts about each species.

Jun 29, 2025 · There are 26 species of crocodilians recognised by science right now, and they’re divided into three main categories: eight species of alligators and caimans, 16 species of true …

Dec 2, 2025 · Crocodylians are an ancient lineage of reptiles, representing the sole surviving members of an evolutionary history stretching back over 200 million years. The order …