Kirtospirifer - Cyrtospirifer - Wikipedia

Cyrtospirifer verneuili
Vaqtinchalik diapazon: Yuqori Givetian - Pastroq Fenni
Cyrtospirifer verneuili duo.jpg
Cyrtospirifer verneuili Namurdan (Belgiya ), Yuqori Devoniy
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Kirtospirifer

Nalivkin, 1924 yil
turlari
  • C. verneuili (Merchison ), 1840 (turi ) = Spirifer verneuili, S. lonsdalii
  • C. ainosawensis Tazawa, Inose & Kaneko, 2017 yil
  • C. aouinetensis Gourvennec, 2019 yil[1]
  • C. archiaci (Murchison, 1840)
  • C. chemungensis (Konrad, 1842) = Delthyris chemungensis, C. altiplicus
  • C. choanjiensis Tazava, 2017 yil
  • C. conoideus (Roemer, 1843)
  • C. disjunktus (Sowerby, 1840)
  • C. inermis (Zal, 1843) = Delthyris inermis
  • C. hornellensis Greiner, 1957 yil
  • C. xaraulaxensis Frederik, 1919 yil
  • C. loonesi Brice, 2002 yil
  • C. mylaensis Sokiran, 2006 yil
  • C. platsitus Steynbruk, 1945 yil
  • C. preshoensis Greiner, 1957 yil
  • C. robardeti Gourvennec, 2019 yil[1]
  • C. rudkinensis Sokiran, 2006 yil
  • C. schelonicus Nalivkin, 1941 yil
  • C. syringothyriformis (Paekkelmann, 1942)
  • C. tentikulum (Vernuil, 1845) = Spirifer tentikulum
  • C. Whitneyi (Hall, 1858)

Kirtospirifer qirilib ketgan jins brakiyopodlar. Qoldiqlar O'rta va Yuqori qismlarda mavjud Devoniy.

Taksonomiya

Ehtimol, bu Tentikospirifer, erta Givetian davrida paydo bo'lgan, uning ajdodini o'z ichiga oladi Kirtospirifer. Kirtospirifer birinchi bo'lib G'arbiy Evropada kech Givetianda uchraydi. Tentikospirifer nisbatan tor menteşe va ma'lum bo'lgan eng qadimgi ikki turga o'xshash shishgan va qalin qobiqga ega, C. verneuiliformis va C. aperturatus. Ushbu guruh kech Givetian davrida hukmronlik qildi, ammo uning o'rnini boshqa turlar egalladi, masalan C. syringothyriformis va C. verneuili keng menteşeli va ingichka chig'anoqlari bo'lgan.[2]

Tavsif

Kirtospirifer uzunlikdan kengroq bo'lgan o'rta va katta o'lchamdagi qobiqga ega.

Qayta tayinlangan turlar

Adabiyotlar

  1. ^ a b Rémy Gourvennec (2019). "Tindouf havzasidan (Jazoir) Silur-Devon Spiriferida va Spiriferinida (Brachiopods)" ". Palaeontographica Abteilung A. 313 (4–6): 81–149. doi:10.1127 / pala / 2019/0083.
  2. ^ Ma, Syuepin; Day, Jed (2003). "Kirtospirifer va Regeliya (Brachiopoda) ning tanlangan Shimoliy Amerika va Evroosiyoning kech devon (fransiyalik) turlarini qayta ko'rib chiqish". Paleontologiya jurnali. 77 (2): 267–292. doi:10.1666 / 0022-3360 (2003) 077 <0267: rosnaa> 2.0.co; 2.