Marcopoloichthys
extinct genus of fishes
Marcopoloichthys is an extinct genus of marine teleosteomorph ray-finned fish known from the Middle and Late Triassic of the former Tethys Ocean (Italy, Switzerland, and China). It is the only genus in the family Marcopoloichthyidae. It was originally described based on specimens from both Italy and China, hence the name Marcopoloichthys, which references the medieval Venetian merchant Marco Polo, who traveled from Italy to China.
Five species are known:
M. ani Tintori et al., 2007 – Anisian of Yunnan, China. (type species)
M. andreetti Tintori et al., 2007 – Ladinian of Lombardy, Italy.
M. faccii (Gortani, 1907) – Carnian of Friuli-Venezia Giulia, Italy (initially described as Pholidophorus faccii)
M. furreri Arratia, 2022 – Ladinian of Grisons, Switzerland
M. mirigioliensis Arratia et al., 2024 – late Anisian of the Besano Formation (Monte San Giorgio, Ticino, Switzerland)
The youngest Marcopoloichthys fossils are of an undescribed species from the Norian of Friuli, Italy.
Marcopoloichthys was a small, scaleless fish with highly specialized, protractile jaws for suction feeding, and a combination of primitive and advanced morphological characters that make it difficult to phylogenetically place. Initially described as an indeterminate basal neopterygian, more recent studies have found it to be a stem-teleost. It somewhat resembles another early teleostomorph, Prohalecites.
“Marcopoloichthys” enters the record as extinct genus of fishes. Crown Archives preserves that source wording while asking what Marcopoloichthys, extinct and genus can confirm, complicate or overturn.
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“Marcopoloichthys” is worth following because a concise public description often conceals a longer documentary argument. Here, Marcopoloichthys, extinct and genus provides the most credible route into that argument.
Datasets, specimens, observations and peer-reviewed methods provide the appropriate test for the technical claims summarized here. The source revision retrieved here is dated Nov 17, 2024. The linked authority identifier is Q55831499. None of the 0 selected statements returned an explicit reference. The first chronological checks are 2007, 1907, 2022 and 2024.
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This entry incorporates text from “Marcopoloichthys” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.