How many Spinosauridae are there?

The Spinosauridae (or spinosaurids) are a clade or family of theropod dinosaurs comprising ten to fourteen known genera. They came into prominence during the Cretaceous period.

What did the Irritator look like?

Estimated at between 6 and 8 meters (20 and 26 ft) in length, Irritator weighed around 1 tonne (1.1 short tons), making it one of the smallest spinosaurids known. Its long, shallow and slender snout was lined with straight and unserrated conical teeth.

What was the largest predatory dinosaur?

The largest carnivorous dinosaur, and possibly the largest ever land-based predator ever known, is the Spinosaurus.

How do you say Irritator?

Phonetic spelling of irritator

  1. ir-ri-ta-tor.
  2. ir-ri-ta-tor. Haskell Klocko.
  3. ir-rit-ator. Christiana Schuppe.

How long is a Irritator?

20 – 26 ft.Irritator / Length (Estimated)

What is the smallest Spinosauridae?

Spinosaurus Aegyptiacus Skull The smallest spinosaurid species known was the Camarillasaurus. While Ichthyovenator, Baryonyx, and Suchomimus ranged from 7.5 to 12 meters long, and weighing between 1 and 5.2 tonnes (1.2 and 5.7 short tons).

What is Oxalaia?

Oxalaia was a large predatory dinosaur. It lived during the Upper Cretaceous of what is now Brazil, sometime between 100.5 to 93.9 million years ago. Oxalaia is known only from two bones of the skull, which were discovered in 1999. The animal was named in 2011 by a group of Brazilian palaeontologists .

Who wrote the species description of Oxalaia?

The species description of Oxalaia was written by Brazilian palaeontologists Alexander Kellner, Elaine Machado, Sergio Azevedo, Deise Henriques, and Luciana Carvalho. This paper, among many others, were composed into a volume of 20 works on prehistoric biodiversity that was published by the Academy in March 2011.

Why was the maxilla of Oxalaia found?

An isolated and incomplete left maxilla (main upper jaw bone) fragment (MN 6119-V) was referred to Oxalaia because it showed the same general traits occurring in spinosaurids, the maxilla was discovered on the rock surface, having possibly moved from its original location after erosion.

What is the theropod Oxalaia?

The theropod’s name; Oxalaia; is a reference to the African deity Oxala. All known Fossils of Oxalaia recovered in 2004 from the Laje do Coringa locality of the Alcantara Formation, from the São Luís Basin; part of the Itapecuru Group.