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Lazarus taxa are observational artifacts that appear to occur either because of (local) extinction, later resupplied, or as a sampling artifact.The fossil record is inherently sporadic (only a very small fraction of organisms become fossilized, and an even smaller fraction are discovered before destruction) and contains gaps not necessarily caused by extinction, particularly when the number of ...
Restoration of the skull of the Menat specimen of Lazarussuchus in dorsal and lateral views. Lazarussuchus was small and superficially lizard like in appearance, with the total preserved body and tail length of L. inexpectatus being just over 30 centimetres (0.98 ft), and a skull length of around 4.5 centimetres (1.8 in) [1] According to Matsumoto and colleagues (2013) Lazarussuchus is ...
The type species is P. aurelioi. Schultzsuchus [13] Gen. et comb. nov Desojo & Rauhut Triassic (Ladinian–Carnian) Pinheiros-Chiniquá Sequence of the Santa Maria Supersequence Brazil. A member of Paracrocodylomorpha, probably belonging to the group Poposauroidea. The type species is "Prestosuchus" loricatus von Huene (1938). Sutekhsuchus [14]
They're an invasive species. The lizards got to the U.S. in the 1950s, and not by their own accord. Rather, they came by the sock of a young traveler from Walnut Hills .
In contrast to "Lazarus taxa", a living fossil in most senses is a species or lineage that has undergone exceptionally little change throughout a long fossil record, giving the impression that the extant taxon had remained identical through the entire fossil and modern period.
A ghost lineage is any gap in a taxon's fossil record, with or without reappearance, while a Lazarus taxon is a type of ghost lineage wherein a species is believed to have gone extinct due to an absence of it in the fossil record, but then reappears after a period of time. [2]
The single extant species of tuatara [a] is the only surviving member of its order, which was highly diverse during the Mesozoic era. [13] Rhynchocephalians first appeared in the fossil record during the Triassic , around 240 million years ago, [ 14 ] and reached worldwide distribution and peak diversity during the Jurassic , when they ...
Cahows, being a recovering Lazarus species, need special attention in order to support recovery and population growth. All nesting and nearby islands are strictly protected as part of the Castle Islands Nature Reserve, and landing by the public is prohibited except by special permission in the company of the conservation officer.