Pygope

Pygope
Temporal range: Kimmeridgian–Barremian
Fossil specimen of Pygope sp from Spain, Guadalajara
Scientific classification
Kingdom:
Animalia
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Terebratulida
Suborder:
Terebratulidina
Family:
Pygopidae
Genus:
Pygope

Link, 1830
species
  • P. dilatata Catullo, 1851 ("type) = Terebratula dilatata
  • P. catulloi (Pictet, 1867)
  • P. diphya Buch, 1838 = Terebratula diphya, T. antinomia, T. deltoidea, T. diphoros, T. triquetra, Antinomia angulata, A. diphora
  • P. diphyoides (D'Orbigny, 1847) = Terebratula diphyoides, Antinomia diphya, A. deltoidea, Pygites diphyoides
  • P. erbaensis (Suess, 1852) = Terebratula erbaensis, T. lampas, T. incisiva
  • P. euganeensis (Pictet, 1867) = Terebratula euganeensis
  • P. janitor (Pictet, 1867) = Terebratula janitor, T. duvallue, P. duvali
  • P. rectangularis (Pictet, 1867) = Terebratula rectangularis,
  • P. triangulus (Lamarck, 1819) = Terebratula triangulus, P. mutica, T. pileus, Antinomia pileus
Synonyms

Antinomia

Pygope is an extinct genus of brachiopods belonging to the family Pygopidae. These brachiopods lived in open sea from the Jurassic Period, Kimmeridgian age (152.1–157.3 mya) up to Cretaceous Period, Barremian age (125.0–~129.4 mya). Some of the species are characterised by a smaller or larger perforation through the entire shell in older specimens, while others just have a depression somewhere on the midline. Younger specimens of the perforated species develop a heart-shape and subsequently both extensions merge, thus encircling a central passage which is in fact entirely outside the shell.[1]

  1. ^ Jarre, Pierre (1962). "Révision du Genre Pygope" (PDF). Géologie Alpine. 38: 23–120.