Redlichiida

Estaingia bilobata

Order Redlichiida / Suborder Redlichiina / Superfamily Ellipsocephaloidea / Family Estaingiidae

Cambrian, Series 2, Stage 4Australia

Estaingia bilobata — photo 1 — Photo 1 · Holotype Reconstruction (Holmes Adult specimens Australia; Holmes 2020 2020) Developmental specimens and Hypostome structure and reconstruction reconstruction (Australia; (Australia; Holmes 2020) Holmes 2020)

Estaingia bilobata — photo 2 — Photo 2 · Holotype Reconstruction (Holmes Adult specimens Australia; Holmes 2020 2020) Developmental specimens and Hypostome structure and reconstruction reconstruction (Australia; (Australia; Holmes 2020) Holmes 2020)

Estaingia bilobata — photo 3 — Photo 3 · Holotype Reconstruction (Holmes Adult specimens Australia; Holmes 2020 2020) Developmental specimens and Hypostome structure and reconstruction reconstruction (Australia; (Australia; Holmes 2020) Holmes 2020)

Estaingia bilobata — photo 4 — Photo 4 · Holotype Reconstruction (Holmes Adult specimens Australia; Holmes 2020 2020) Developmental specimens and Hypostome structure and reconstruction reconstruction (Australia; (Australia; Holmes 2020) Holmes 2020)

Estaingia bilobata — photo 5 — Photo 5 · Holotype Reconstruction (Holmes Adult specimens Australia; Holmes 2020 2020) Developmental specimens and Hypostome structure and reconstruction reconstruction (Australia; (Australia; Holmes 2020) Holmes 2020)

Estaingia bilobata — photo 6 — Photo 6 · Holotype Reconstruction (Holmes Adult specimens Australia; Holmes 2020 2020) Developmental specimens and Hypostome structure and reconstruction reconstruction (Australia; (Australia; Holmes 2020) Holmes 2020)

Classification

Order Redlichiida / Suborder Redlichiina / Superfamily Ellipsocephaloidea / Family Estaingiidae

Genus

Estaingia Pocock, 1964

Genus author

Pocock K. J.

Genus etymology

Estaing, type speciestype locality, AustraliaCape D'Estaing

Species

E. bilobata Pocock, 1964

Species author

Pocock K. J.

Species etymology

bi-, two; lobata, lobed; referring to the bilobed axial terminus of the pygidium

Age

Cambrian, Series 2, Stage 4

Distribution

Australia

Diagnosis

Cranidium subsquare; glabella slightly hourglass-shaped, three pairs of unconnected glabellar furrows; preglabellar field and palpebral area both relatively large; palpebral lobe nearly as long as the eye ridge, both relatively prominent; free cheek small and narrow, genal spines of moderate length. Thorax of 13 segments; axis nearly as wide as the pleural lobes; pleural furrows broad and deep, pleural spines short. Pygidium small and transversely wide; terminal axial segment bilobed; two pairs of hooked marginal spines.

Remarks

This species is the type species of Estaingia.