Is every Petromyzonti on Earth here?

No. Only photographed species-rank animals with a CR, EN, or EW category on Wikidata.

Where does class come from?

A GBIF match on the scientific name.

Petromyzonti in crisis

2 records

Photograph of Lake lamprey (Entosphenus macrostomus). GBIF class Petromyzonti

2 animals on this catalog match GBIF class Petromyzonti. Each page is a photograph and an original dossier, not a copied assessment.

Class is a filing shelf. It does not make one crisis kinder than another. Search the catalog for Petromyzonti or open a record below. The stats page shows how this shelf sits against the rest of the 3,318.

Lake lamprey

Entosphenus macrostomus

Mordacia praecox

Quick answers

Is every Petromyzonti on Earth here?: No. Only photographed species-rank animals with a CR, EN, or EW category on Wikidata.
Where does class come from?: A GBIF match on the scientific name.