Proetida

Aayemenaytcheia paragranulata

Order Proetida / Superfamily Proetoidea / Family Proetidae

Emsian (Early Devonian) to Eifelian (Middle Devonian)Canada
Classification
Order Proetida / Superfamily Proetoidea / Family Proetidae
Genus
Aayemenaytcheia Lieberman, 1994
Genus author
Lieberman B. S.
Genus etymology
Aayemenaytche, pronounced A-M-N-H, the abbreviation of the American Museum of Natural History, which
Species
A. paragranulata (Ormiston, 1967)
Species author
Ormiston A. R.
Species etymology
para-, Greek, near, similar to; granul-, Latin, small grain
Age
Emsian (Early Devonian) to Eifelian (Middle Devonian)
Distribution
Canada
Synonyms
Dechenella (Dechenella) paragranulata
Diagnosis
Anterior margin of cranidium arcuate, outer part strongly convex with terrace lines, inner part nearly flat and inclined backward. Glabella strongly convex with coarse nodes, rapidly narrowing medially, front bluntly rounded and nearly vertical; four pairs of lateral glabellar furrows; occipital furrow deep; occipital ring short, occipital lobes large and subtriangular; palpebral lobes narrow, crescentic; librigenal lateral border furrows wide, posterior border furrow deep and narrow, genal spines slender and long. Pygidial axis with 14 rings, curved backward medially; pleural region strongly arched transversely with 9 pleural furrows; border furrow absent, the border defined by the posterior slope change, sloping downward rather than convex.
Remarks
This species is the type species of the genus Aayemenaytcheia.