Hadromeros

Hadromeros keisleyensis, copyright The Hunterian Museum and Art Gallery.

Belongs within: Cheirurinae.

Hadromeros is a genus of trilobites known from warm waters of the Middle Ordovician to Early Silurian. Members of this genus have three pairs of well-defined pygidial spines, sometimes also with an unpaired medial spine (Přibyl et al. 1985).

<==Hadromeros Lane 1971 PVP85
    |--*H. keisleyensis (Reed 1896) PVP85
    |--H. certus (Poulsen 1934) PVP85
    |--H. clasoni (Törnquist 1905) PVP85
    |--H. elongatus (Reed 1931) PVP85
    |--H. fortis (Barrande 1872) PVP85
    |--H. kirkdandiensis (Tripp 1979) PVP85
    |--H. nuperus (Billings 1866) PVP85
    |--H. perceensis (Cooper & Kindle 1936) PVP85
    |--H. punctatus (Angelin 1854) PVP85
    |--H. scotti Chatterton & Perry 1984 PVP85
    |--H. sinicus (Lu 1964) PVP85
    |--H. subulatus (Linnarsson 1869) PVP85
    |--H. toernquisti (Warburg 1925) PVP85
    |--H. williamsi (McCoy 1849) PVP85
    `--H. xiushanensis (Sheng 1964) PVP85

*Type species of generic name indicated

REFERENCES

[PVP85] Přibyl, A., J. Vaněk & I. Pek. 1985. Phylogeny and taxonomy of family Cheiruridae (Trilobita). Acta Universitatis Palackianae Olomucensis Facultas Rerum Naturalium Geographica-Geologica XXIV 83: 107–193.