Redlichiida

Peachella iddingsi

Order Redlichiida / Suborder Olenellina / Superfamily Olenelloidea / Family Olenellidae

Cambrian, Series 2, Stage 4USA

Peachella iddingsi — photo 1 — Photo 1 · Holotype USNM 15407a (USA; Webster 2009) Reconstruction (long axial spine position incorrect; Samuel M. Gon III 2009) LACMIP 11621, upper: internal mould; lower: rubber cast of external mould (USA; Webster 2009) Complete dorsal shield (USA; Guodong)

Peachella iddingsi — photo 2 — Photo 2 · Holotype USNM 15407a (USA; Webster 2009) Reconstruction (long axial spine position incorrect; Samuel M. Gon III 2009) LACMIP 11621, upper: internal mould; lower: rubber cast of external mould (USA; Webster 2009) Complete dorsal shield (USA; Guodong)

Peachella iddingsi — photo 3 — Photo 3 · Holotype USNM 15407a (USA; Webster 2009) Reconstruction (long axial spine position incorrect; Samuel M. Gon III 2009) LACMIP 11621, upper: internal mould; lower: rubber cast of external mould (USA; Webster 2009) Complete dorsal shield (USA; Guodong)

Peachella iddingsi — photo 4 — Photo 4 · Holotype USNM 15407a (USA; Webster 2009) Reconstruction (long axial spine position incorrect; Samuel M. Gon III 2009) LACMIP 11621, upper: internal mould; lower: rubber cast of external mould (USA; Webster 2009) Complete dorsal shield (USA; Guodong)

Classification

Order Redlichiida / Suborder Olenellina / Superfamily Olenelloidea / Family Olenellidae

Genus

Peachella Walcott, 1910

Genus author

Walcott C. D.

Genus etymology

Peach, honouring Peach B. N.

Species

P. iddingsi (Walcott, 1884)

Species author

Walcott C. D.

Species etymology

Iddings, surname

Age

Cambrian, Series 2, Stage 4

Distribution

USA

Synonyms

Olenellus iddingsi

Diagnosis

Cephalon semicircular; glabella cylindrical, slightly constricted medially, with three pairs of glabellar furrows; genal spines broad, balloon-like; palpebral lobe connected to the glabella anteriorly, separated posteriorly. Thorax with prothorax of 14 segments and an opisthothorax of at least 11 segments; prothoracic segments with weak axial nodes, 3rd segment macropleural, pleural spine stout; 15th segment with long axial spine. Pygidium very small.

Remarks

This species is the type species of the genus Peachella, commonly called the 'headphone trilobite'.