User:SilverTiger12/sandbox5

Histories of research and taxonomies....

In the 1800s

 * 1824: Ursus cultridens is described. (Cuvier)
 * 1832: Felis aphanistus is described. (Kaup)
 * 1833: The genus Machairodus is described. (Kaup)
 * 1848: Machairodus giganteus is described.
 * 1854: Machaerodus leoninus is described. [Roth & Wagner]
 * 1880: Machaerodus palaeindicus is described. [Bose]
 * 1887: Machairodus orientalis is described. [Kittl]

1900-1949

 * 1903: Machairodus horribilis is described.
 * 1915: Pogonodon copei is described.
 * 1922: Machairodus (Hetereofelis) coloradensis is described.
 * 1922: Machaerodus niobrarensis is described.
 * 1924: Machairodus palanderi and Machairodus tingii are described.
 * 1924: Machairodus coloradensis is designated a synonym of "Machairodus" catacopsis. [Cook]
 * 1927/1929: Machairodus aphanistus var. taracliensis is described.
 * 1929: Amphimachairodus is proposed with the species Machairodus palanderi.
 * 1929: Machairodus giganteus considered a junior synonym of Machairodus aphanistus. [Matthew]
 * 1931: Machairodus aphanistus var. taracliensis is promoted and assigned to Epimachairodus. Machaerodus leoninus is designated a junior synonym of Epimachairodus taracliensis. [Pilgrim]
 * 1933: Machairodus(?) hesperus is described. Machairodus (Heterofelis) catacopis, Machairodus (H.) coloradensis, Machairodus niobrarensis, and Machairodus maximiliani are mentioned as valid species.
 * 1936: Machairodus irtychensis and Machairodus ischimicus are described.
 * 1945: Machairodus palanderi and Machairodus tingii are assigned to Epimachairodus. [Teilhard]
 * 1947: Epimachairodus taracliensis is assigned and renamed to Homotherium tarakliense. [Arambourg]

1950-1999

 * 1952: More material described for Machairodus leoninus.
 * 1957: Homotherium tarakliense rejected, Epimachairodus taracliensis reinstated; again Machairodus leoninus as a synonym. Machairodus horribilis, Epimachairodus tingii, Epimachairodus palanderi are mentioned as valid species. Machairodus (?) copei is mentioned in passing.
 * 1970: Machairodus hesperus is assigned to Megantereon. [Schultz & Martin]
 * 1975a: Machairodus aphanistus taracliensis is promoted to Machairodus taracliensis. ??? [Franzen & Storch]
 * 1975b: Machairodus coloradensis is resurrected as a valid species. Machairodus coloradensis tanneri is described. Machairodus catacopis assigned to Nimravides. Machairodus niobrarensis is referred to as a barbourofeline (an upcoming paper on it by Martin is mentioned).
 * 1975c: The forms copei, leoninus, palanderi, taracliensis, and "probably tingii" are designated synonyms of Machairodus giganteus. [Beaumont]
 * 1976: Machairodus robinsoni is described.
 * 1978: Machairodus laskarevi is described.
 * 1981: Machairodus alberdiae is described.
 * 1981: Amphimachairodus promoted to genus. [Ginsburg]
 * 1983: Epimachairodus fires is described.
 * 1988: Amphimachairodus pliocaenicus is described.
 * 1991: Machairodus kurteni is described. Machairodus giganteus, Machairodus irtyschensis, Machairodus aphanistus, Machairodus robinsoni and Machairodus pseudailuroides (which were both noted as also being referred to Miomachairodus), and Machairodus laskarevi are mentioned as valid species. Pogonodon copei is resurrected as Machairodus copei. Machairodus aphanistus taracliensis is resurrected as Machairodus giganteus taracliensis. Machairodus palanderi and Machairodus tingii are noted as being similar to Machairodus giganteus taracliensis.

2000s

 * 2004: Amphimachairodus considered a junior synonym of Machairodus. Machairodus leoninus, Pogonodon copei/Machairodus copei, Machairodus palanderi, Machairodus tingii, Machairodus aphanistus var. taracliensis, and Machairodus irtychensis are all considered synonyms of Machairodus giganteus. Machairodus tanneri, Machairodus kurteni, and Machairodus colorandensis are mentioned as a valid species. Machairodus ischimicus is listed as questionable. The Machairodus taracliensis from Franzen & Storch (1975) is listed as a synonym of Machairodus aphanistus. [Morlo & Semenov]
 * 2004b: Machairodus giganteus is assigned to a resurrected Amphimachairodus. [Anton et al.]
 * 2005: Machairodus kabir is described. Machairodus tanneri, Machairodus copei, Machairodus irtyschensis, Machairodus kurteni, and Machairodus coloradensis are mentioned in passing. Machairodus leoninus, Machairodus palanderi, Machairodus tingii, and Machairodus taracliensis are considered synonyms or subspecies of Machairodus giganteus.
 * 2007: Machairodus kabir is assigned to Amphimachairodus. Amphimachairodus copei, Amphimachairodus kurteni, and Amphimachairodus taracliensis are mentioned in passing. Amphimachairodus palanderi is considered a synonym of Amphimachairodus giganteus.
 * 2008: Machairodus horribilis is resurrected and a lectotype designated. Machairodus tingii is designated a junior synonym of Machairodus horribilis.

2010s

 * 2013: Machairodus coloradensis is assigned to Amphimachairodus. [Anton et al.]
 * 2014: Machairodus tanneri is mentioned in passing. Machairodus kurteni is suggested to be assigned to Amphimachairodus and Machairodus irtyschensis is suggested to be assigned to Homotherium. Amphimachairodus giganteus and Machairodus horribilis are mentioned in passing.
 * 2019: Amphimachairodus alvarezi is described. Machairodus horribilis is suggested to be assigned to Amphimachairodus. Amphimachairodus pliocaenicus is considered too fragmentary to support its generic assignment.
 * 2019: Machairodus alberdiae is extensively studied and considered valid.

2020s

 * 2021: Machairodus lahayishipup is described.
 * 2022: Adeilosmilus is suggested as a new genus for Amphimachairodus kabir.
 * 2023a: Amphimachairodus irtyschensis is designated a junior synonym of Amphimachairodus horribilis. Amphimachairodus kurteni is designated a junior synonym of Amphimachairodus palanderi. Amphimachairodus tingii is considered a junior synonym of Amphimachairodus horribilis. Amphimachairodus giganteus, Amphimachairodus palanderi, Amphimachairodus horribilis, Amphimachairodus colorandensis, Amphimachairodus alvarezi, and Amphimachairodus kabir are included as valid species. Epimachairodus fires is noted as similar to Amphimachairodus palanderi.
 * 2023b: Amphimachairodus hezhengensis is described. Amphimachairodus giganteus, Amphimachairodus palanderi, Amphimachairodus horribilis, Amphimachairodus coloradensis, Amphimachairodus alvarezi, and "Adeilosmilus" kabir are noted as valid species.