Plain-winged Antshrike

Here the details of the Plain-winged Antshrike named bird below:

SCI Name:  Thamnophilus schistaceus
Protonym:  Thamnophilus schistaceus Voy.Am.merid. livr.7 pl.5 fig.1
Taxonomy:  Passeriformes / Thamnophilidae / Thamnophilus
Taxonomy Code:  plwant1
Type Locality:  Forests inhabited by the Yuracares Indians, near Cochabamba, Bolivia.
Author:  d'Orbigny
Publish Year:  1837
IUCN Status:  Least Concern

DEFINITIONS

THAMNOPHILUS
(Thamnophilidae; Ϯ Barred Antshrike T. doliatus) Gr. θαμνος thamnos  bush; φιλος philos  lover; "BATARA (DE AZARA), Thamnophilus.  Lanius, Turdus, Lin. Gm. Lath.  Bec droit à la base, robuste, convexe en dessus, comprimé latéralement; mandibule supérieure échancrée, ou dentée, et crochue vers le bout; l'inférieure entaillée, aiguë et retroussée à la pointe. — Bouche ciliée. Ailes courtes arrondies.  Esp. Pie-Grièche rayée. — Fourmillier huppé, Buff.   ...   Tamnophilus [ταμνος, frutex, φιλεω, gaudeo]." (Vieillot 1816); "Thamnophilus Vieillot, Analyse, 1816, p. 40. Type, by subsequent designation, Lanius doliatus Linné (Swainson, Zool. Journ., 1, 1824, p. 301)." (Peters 1951, VII, 162).
Var. Thamnoplius, Tamnophilus.   
Synon. Abalius, Erionotus, Rhopochares.

thamnophilus
Gr. θαμνος thamnos  bush; φιλος philos  loving  < φιλεω phileō  to love  < φιλος philos  lover.

schistaceum / schistaceus
Late L. schistaceus  slate-grey  < schistus  slate  < L. lapis schistos  fissile stone  < Gr. σχιστος skhistos  cloven  < σχιζω skhizō  to split.

SUBSPECIES

Plain-winged Antshrike (heterogynus)
SCI Name: Thamnophilus schistaceus heterogynus
heterogyna / heterogynus
Gr. ἑτερος heteros  different; γυνη gunē, γυναικος gunaikos  wife, woman.

Plain-winged Antshrike (capitalis)
SCI Name: Thamnophilus schistaceus capitalis
capitale / capitalis
L. capitalis  relating to the head, capital, chief  < caput, capitis  head, chief.
● "Forehead, and crown to line between middle of orbits, pale creamy drab, shading abruptly into the purplish iridescence which overlies remainder of crown and back of neck." (Nelson 1898) (subsp. Leptotila verreauxi).
● ex “Capital Tanager” of Latham 1787 (Ploceus).

Plain-winged Antshrike (schistaceus)
SCI Name: Thamnophilus schistaceus schistaceus
schistaceum / schistaceus
Late L. schistaceus  slate-grey  < schistus  slate  < L. lapis schistos  fissile stone  < Gr. σχιστος skhistos  cloven  < σχιζω skhizō  to split.