User:Draco ignoramus sophomoricus/sandbox sturgeon

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A potential taxonomy of Acipenseridae is shown here, based on Luo et al. 2019, Nedoluzhko et al. 2020, and Shen et al. 2020.[1][2][3] Note the paraphyletic relationships among genera:

Acipenser

A. oxyrhinchus

A. sturio

Sinosturio

A. dabryanus

A. schrenckii

A. transmontanus

"Ichthyocolla"

H. dauricus

A. medirostris

A. mikadoi

Scaphirhynchus

S. platorhynchus

S. suttkusi

S. albus

Pseudoscaphirhynchus

P. fedtschenkoi (likely extinct)

P. hermanni

P. kaufmanni

A. persicus

Gladostomus

A. stellatus

Huso

H. huso

Sterletus
(Euacipenser)

A. ruthenus

A. nudiventris

(Dinoctus)

A. fulvescens

A. brevirostrum

A. baerii

A. sinensis

A. gueldenstaedtii

The exact placement of Scaphirhynchus varies depending on the study and the methods used, with some placing it within the second-most basal clade comprising primarily Pacific species (shown above), whereas others place it in its own clade that is more derived than the secondmost basal clade but less derived than the most derived Atlantic and Central Asian clade. No studies have yet delineated a relationship between it and Pseudoscaphirhynchus. In addition, the exact relationships of the members of the most

derived, primarily Atlantic clade vary, although most analyses at least find all the species in it to form a monophyletic clade. The placement of A. sinensis also varies by the study, with some placing it as the only Pacific member of the otherwise Atlantic-based most-derived clade, whereas others place it with the rest of the Pacific sturgeons as a sister to A. dabryanus.[1][2]

  1. ^ a b Cite error: The named reference :0 was invoked but never defined (see the help page).
  2. ^ a b Cite error: The named reference :1 was invoked but never defined (see the help page).
  3. PMID 31959974
    .
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