Image of the Day: Messy Eater

The Jurassic predator Razanandrongobe sakalavae used its colossal, ragged teeth to rip through the muscles and bones of its prey.

Written byThe Scientist
| 1 min read

Register for free to listen to this article
Listen with Speechify
0:00
1:00
Share

Razanandrongobe sakalavae snacking on a sauropod.

FABIO MANUCCI

In a study published yesterday (July 4) in PeerJ, paleontologists describe a new notosuchian, Razanandrongobe sakalava—nicknamed Razana—that predated, outsized, and perhaps out-savaged other dinosaurs of its kind.

GIOVANNI BINDELLINI

Natural History Museum of Milan paleontologists Cristiano Dal Sasso (left) and Simone Maganuco (right) sit with the jaws and teeth of Razana. They emphasize its crocodilian qualities: Dal Sasso points out its mandible while Maganuco gestures to its frontward nostrils.

“Like these and other gigantic crocs from the Cretaceous, Razana could outcompete even theropod dinosaurs, at the top of the food chain,” says Dal Sasso ...

Interested in reading more?

Become a Member of

The Scientist Logo
Receive full access to more than 35 years of archives, as well as TS Digest, digital editions of The Scientist, feature stories, and much more!
Already a member? Login Here
February 2026

A Stubborn Gene, a Failed Experiment, and a New Path

When experiments refuse to cooperate, you try again and again. For Rafael Najmanovich, the setbacks ultimately pushed him in a new direction.

View this Issue
Human-Relevant In Vitro Models Enable Predictive Drug Discovery

Advancing Drug Discovery with Complex Human In Vitro Models

Stemcell Technologies
Redefining Immunology Through Advanced Technologies

Redefining Immunology Through Advanced Technologies

Ensuring Regulatory Compliance in AAV Manufacturing with Analytical Ultracentrifugation

Ensuring Regulatory Compliance in AAV Manufacturing with Analytical Ultracentrifugation

Beckman Coulter Logo
Conceptual multicolored vector image of cancer research, depicting various biomedical approaches to cancer therapy

Maximizing Cancer Research Model Systems

bioxcell

Products

Sino Biological Logo

Sino Biological Pioneers Life Sciences Innovation with High-Quality Bioreagents on Inside Business Today with Bill and Guiliana Rancic

Sino Biological Logo

Sino Biological Expands Research Reagent Portfolio to Support Global Nipah Virus Vaccine and Diagnostic Development

Beckman Coulter

Beckman Coulter Life Sciences Partners with Automata to Accelerate AI-Ready Laboratory Automation

Refeyn logo

Refeyn named in the Sunday Times 100 Tech list of the UK’s fastest-growing technology companies