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Plesippus
Taxonomy
Plesippus was named by Matthew (1924).
It was synonymized subjectively with Equus by Stirton (1940), Hibbard and Riggs (1949), Lance (1950), Hibbard (1951), Shotwell (1961), Skinner (1972), Skinner et al. (1972), Kurten and Anderson (1980), Galusha et al. (1984), Prothero and Schoch (1989), Winans (1989), Schultz (1990), Kelly (1995), Kelly (1997), MacFadden (1998); it was synonymized subjectively with Hippotigris by McGrew (1944), Mooser (1958); it was reranked as Equus (Plesippus) by Howe (1970), Forsten and Eisenmann (1995); it was synonymized subjectively with Equus (Dolichohippus) by MacFadden and Waldrop (1980).
It was assigned to Equus by Howe (1970), Forsten and Eisenmann (1995); and to Equini by Barrón-Ortiz et al. (2019).
It was synonymized subjectively with Equus by Stirton (1940), Hibbard and Riggs (1949), Lance (1950), Hibbard (1951), Shotwell (1961), Skinner (1972), Skinner et al. (1972), Kurten and Anderson (1980), Galusha et al. (1984), Prothero and Schoch (1989), Winans (1989), Schultz (1990), Kelly (1995), Kelly (1997), MacFadden (1998); it was synonymized subjectively with Hippotigris by McGrew (1944), Mooser (1958); it was reranked as Equus (Plesippus) by Howe (1970), Forsten and Eisenmann (1995); it was synonymized subjectively with Equus (Dolichohippus) by MacFadden and Waldrop (1980).
It was assigned to Equus by Howe (1970), Forsten and Eisenmann (1995); and to Equini by Barrón-Ortiz et al. (2019).
Species
Species lacking formal opinion data