Acropternis Orthonyx Bird

English Name:  Ocellated Tapaculo
Latin Name:  Acropternis orthonyx
Protonym:  Merulaxis orthonyx Rev.Zool. 6 p.131
Taxonomy:  Passeriformes / Rhinocryptidae / Acropternis
Taxonomy Code:  ocetap1
Type Locality:  Colombia.
Author:  Lafresnaye
Publish Year:  1843
IUCN Status:  Least Concern

DEFINITIONS

ACROPTERNIS
(Rhinocryptidae; Ϯ Ocellated Tapaculo A. orthonyx) Gr. ακρος akros  ending in a point, highest  < ακη akē  point; πτερνη pternē  heel; "Gen. ACROPTERNIS *) nov. gen. — Spiessnagel.   77.  1. A. orthonyx Nob.   Merulaxis orthonyx Lafr. R. Z. 1843. p. 131. — Pteroptochus orthonyx Gray Gen. B. I. p. 155. — Triptorrhinus orthonyx Cab. Orn. Not. p. 220.    ...   *) Von ακρος (in eine Spitze auslaufend) und πτερνις (Ferse).  Durch die abnorme Bildung der Hinterzehe ist diese Gattung wohl genügend charakterisirt." (Cabanis & Heine 1859); "Acropternis Cabanis and Heine, Mus. Hein., Th. 2, 1859-60 (1859), p. 20. Type, by monotypy, Merulaxis orthonyx, Lafresnaye." (Peters 1951, VII, 289).
Synon. Ommatornis.

ORTHONYX
(Orthonychidae; Ϯ Australian Logrunner O. temminckii) Gr. ορθος orthos  straight; ονυξ onux, ονυχος onukhos  claw; "ONGUICULÉ, Orthonyx. (Temm.)   ...   Ongles plus longs que les doigts, forts, peu arqués, cannelés latéralement" (Temminck 1820); "Orthonyx Temminck, 1820, Man. Orn., éd. 2, 1, p. 81. No species; generic details only. Type, by subsequent designation (Ranzani, 1822, Elem. Zool., 3, p. 19), Orthonyx temminckii Ranzani." (Deignan in Peters 1964, X, 228).
Var. Orthonix.
Synon. Macrorthonyx, Papuorthonyx.

orthonyx
Gr. ορθος orthos  straight; ονυξ onux, ονυχος onukhos  claw.

SUBSPECIES

Ocellated Tapaculo (orthonyx)
Latin Name: Acropternis orthonyx orthonyx
ORTHONYX
(Orthonychidae; Ϯ Australian Logrunner O. temminckii) Gr. ορθος orthos  straight; ονυξ onux, ονυχος onukhos  claw; "ONGUICULÉ, Orthonyx. (Temm.)   ...   Ongles plus longs que les doigts, forts, peu arqués, cannelés latéralement" (Temminck 1820); "Orthonyx Temminck, 1820, Man. Orn., éd. 2, 1, p. 81. No species; generic details only. Type, by subsequent designation (Ranzani, 1822, Elem. Zool., 3, p. 19), Orthonyx temminckii Ranzani." (Deignan in Peters 1964, X, 228).
Var. Orthonix.
Synon. Macrorthonyx, Papuorthonyx.

Ocellated Tapaculo (infuscatus)
Latin Name: Acropternis orthonyx infuscatus
infuscata / infuscatus
L. infuscatus  dusky  < infuscare  to make dark  < infuscus  dusky, blackish.
● ex “Curucáu Afeytado” of de Azara 1802-1805, no. 365 (Phimosus).
● ex “Perroquet à franges souci” of Levaillant 1801-1805 (syn. Poicephalus robustus).