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How to use extinct in a sentence

The skull comes from an extinct animal, Crocodylus checchiai.
AMERICAN CROCS SEEM TO DESCEND FROM KIN THAT CROSSED THE ATLANTICCAROLYN WILKEAUGUST 25, 2020SCIENCE NEWS FOR STUDENTS
Next, the scientists combined eggshell data with what’s known about the family trees of extinct and living egg-laying animals.
EARLY DINOSAURS MAY HAVE LAID SOFT-SHELLED EGGSJACK J. LEEAUGUST 3, 2020SCIENCE NEWS FOR STUDENTS
New analyses of a roughly 7-million-year old skull from the extinct Crocodylus checchiai suggest that crocodiles journeyed from Africa to the Americas millions of years ago, researchers report July 23 in Scientific Reports.
AN ANCIENT SKULL HINTS CROCODILES SWAM FROM AFRICA TO THE AMERICASCAROLYN WILKEJULY 23, 2020SCIENCE NEWS
Combining this and other eggshell data with the evolutionary relationships of extinct and living egg-laying animals, the researchers calculated the most likely scenario for dinosaur egg evolution.
FOSSIL DISCOVERIES SUGGEST THE EARLIEST DINOSAURS LAID SOFT-SHELLED EGGSJACK J. LEEJUNE 24, 2020SCIENCE NEWS
It is not even guaranteed to produce more species, since evolution can occur in a single lineage and this can go extinct at any time.
EVOLUTION: WHY IT SEEMS TO HAVE A DIRECTION AND WHAT TO EXPECT NEXTMATTHEW WILLSJUNE 10, 2020SINGULARITY HUB 
Before the reptile resurfaced, no one knew where exactly Modigliani’s lizard lived, or whether it had already gone extinct, he says.
A NOSE-HORNED DRAGON LIZARD LOST TO SCIENCE FOR OVER 100 YEARS HAS BEEN FOUNDDYNA ROCHMYANINGSIHJUNE 9, 2020SCIENCE NEWS
In which case, so much of the discrimination that focuses on the body would become extinct.
TRANSGENDER, TRANSHUMAN: TECHNOLOGICAL ADVANCES OFFER INCREASED CHOICES BUT ALSO CREATE NEW PREJUDICESLGBTQ-EDITORAPRIL 9, 2020NO STRAIGHT NEWS
What course was taken to supply that assembly when any noble family became extinct?
GULLIVER'S TRAVELSJONATHAN SWIFT
Her hope persisted until half-past nine: it then began to fade, and, at ten o'clock, was extinct.
HILDA LESSWAYSARNOLD BENNETT
The senior branch of the family being thus extinct the whole of the entailed estate had devolved on me.
UNCANNY TALESVARIOUS

WORDS RELATED TO EXTINCT

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