Discinisca

Discinisca is a genus of brachiopods with fossils dating back from the Early Devonian to the Pliocene of Africa, Europe, North America, and New Zealand.[1]

Discinisca
Temporal range: Early Devonian–Recent
Discinisca lamellosa, a group of old and young specimens; the largest showing the foramen in the peduncle valve; the rest showing brachial valves
Scientific classification
Kingdom: Animalia
Clade: Lophophorata
Phylum: Brachiopoda
Order: Discinida
Family: Discinidae
Genus: Discinisca
Sowerby, 1822
Species
  • D. laevis (Sowerby, 1822)
  • D. lamellosa (Broderip, 1834)
  • D. lamellosa sensu d'Hondt, 1976
  • D. rikuzenensis (Hatai, 1940)
  • D. suborbicularis (Smirnova et al., 2017)
  • D. tenuis (Sowerby)

Living individuals incorporate tablets of silica into their shell.[2]

References
  1. Christian Emig (2010). Emig CC (ed.). "Discinisca Dall, 1871". World Brachiopoda database. World Register of Marine Species. Retrieved February 25, 2012.
  2. Williams, A; Cusack, M; Buckman, J. O.; Stachel, T (1998). "Siliceous tablets in the larval shells of apatitic discinid brachiopods". Science. 279 (5359): 2094–6. PMID 9516107.
  • Fossils (Smithsonian Handbooks) by David Ward (Page 92)
  • Emig, Christian (2006). Systematics of extant brachiopod taxa


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