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Maresaurus, the Glossary

Maresaurus is an extinct genus of plesiosaur from the Middle Jurassic (Bajocian) Los Molles Formation of Argentina.^[1]

Animal

Animals are multicellular, eukaryotic organisms in the biological kingdom Animalia.

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Argentina

Argentina, officially the Argentine Republic, is a country in the southern half of South America.

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Bajocian

In the geologic timescale, the Bajocian is an age and stage in the Middle Jurassic.

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A chordate is a deuterostomic animal belonging to the phylum Chordata. All chordates possess, at some point during their larval or adult stages, five distinctive physical characteristics (synapomorphies) that distinguish them from other taxa.

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Extinction

Extinction is the termination of a taxon by the death of its last member.

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Genus

Genus (genera) is a taxonomic rank above species and below family as used in the biological classification of living and fossil organisms as well as viruses.

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List of plesiosaur genera

This list of plesiosaurs is a comprehensive listing of all genera that have ever been included in the order Plesiosauria, excluding purely vernacular terms.

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Los Molles Formation

The Los Molles Formation is a geologic formation of Early to Middle Jurassic age, located at northern and central part of Neuquén Basin at Mendoza Shelf in Argentina. Maresaurus and los Molles Formation are Jurassic Argentina and Neuquén Basin.

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Middle Jurassic

The Middle Jurassic is the second epoch of the Jurassic Period.

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Plesiosaur

The Plesiosauria (Greek: πλησίος, plesios, meaning "near to" and ''sauros'', meaning "lizard") or plesiosaurs are an order or clade of extinct Mesozoic marine reptiles, belonging to the Sauropterygia.

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Reptile

Reptiles, as commonly defined, are a group of tetrapods with usually an ectothermic ('cold-blooded') metabolism and amniotic development.

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Rhomaleosauridae

Rhomaleosauridae is a family of plesiosaurs from the Earliest Jurassic to the latest Middle Jurassic (Hettangian to Callovian stages) of Europe, North America, South America and possibly Asia. Maresaurus and Rhomaleosauridae are Rhomaleosaurids.

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Sauropterygia

Sauropterygia ("lizard flippers") is an extinct taxon of diverse, aquatic reptiles that developed from terrestrial ancestors soon after the end-Permian extinction and flourished during the Triassic before all except for the Plesiosauria became extinct at the end of that period.

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Species

A species (species) is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction.

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Timeline of plesiosaur research

This timeline of plesiosaur research is a chronologically ordered list of important fossil discoveries, controversies of interpretation, taxonomic revisions, and cultural portrayals of plesiosaurs, an order of marine reptiles that flourished during the Mesozoic Era.

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Type (biology)

In biology, a type is a particular specimen (or in some cases a group of specimens) of an organism to which the scientific name of that organism is formally associated.

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Type species

In zoological nomenclature, a type species (species typica) is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the species that contains the biological type specimen (or specimens).

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References

[1] https://en.wikipedia.org/wiki/Maresaurus

Also known as Maresaurus coccai.