Dinosaur groups and other prehistoric animal groups with the most reviews (number of posts in brackets)
Top 100- Theropod (859)
- Tyrannosaur (291)
- Ceratopsian (274)
- Sauropod (202)
- Thyreophoran (196)
- Mammal (181)
- Ornithopod (162)
- Chasmosaur (141)
- Allosaur (135)
- Dromaeosaur (126)
- Pterosaur (123)
- Stegosaur (116)
- Hadrosaur (111)
- Ankylosaur (104)
- Diplodocoid (95)
- Spinosaur (87)
- Ceratosaur (73)
- Centrosaur (72)
- Plesiosaur (67)
- Ankylosaurid (66)
- Macronaria (basal) (66)
- Theropod (basal) (57)
- Elephant (53)
- Invertebrate (53)
- Iguanodont (basal) (51)
- Reptile (other) (48)
- Fish (48)
- Bird (47)
- Ceratopsian (basal) (47)
- Pelycosaur (45)
- Pachycephalosaur (38)
- Mosasaur (35)
- Crocodile (34)
- Nodosaur (30)
- Fictional (28)
- Pliosaur (28)
- Ornithomimosaur (27)
- Cat (25)
- Therapsid (non-mammal) (24)
- Titanosaur (22)
- Oviraptorosaur (20)
- Therizinosaur (20)
- Ichthyosaur (20)
- Hominid (17)
- Amphibian (15)
- Prosauropod (14)
- Compsognathid (13)
- Megalosaur (12)
- Trilobite (11)
- Ammonite (11)
- Troodont (10)
- Plant (10)
- Whale (8)
- Shark (8)
- Thyreophora (basal) (4)
- Placodont (2)