Ptyxitlar - Ptychites

Ptyxitlar
Vaqtinchalik diapazon: Trias, 247.2 –235.0 Ma
Ptychitidae - Ptychites studeri.JPG
Qoldiqlar Ptychites studeri Bosniyadan, namoyish etiladi Galerie de paléontologie va d'anatomie Comparée Parijda
Ilmiy tasnif
Qirollik:
Animalia
Filum:
Molluska
Sinf:
Tsefalopoda
Subklass:
Ammonoida
Buyurtma:
Ceratitida
Oila:
Ptychitidae
Tur:
Ptyxitlar

Mojsisovika 1875

Ptyxitlar oilaga mansub sefalopodlarning yo'q bo'lib ketgan jinsi Ptychitidae. Ushbu nektonik yirtqich hayvonlar davrida yashagan Trias davr, dan Anisian ga Ladin yoshi.[1]

Turlar

  • Ptychites besnosovi Shevyrev 1995 yil
  • Ptychites densistriatus Bucher 1992 yil
  • Ptychites domatus Silberling va Tozer 1968 yil
  • Ptychites evansi Smit 1914 yil
  • Ptychites gradinarui Bucher 1992 yil
  • Ptychites guloensis Tozer 1994 yil
  • Ptychites hamatus Tozer 1994 yil
  • Ptychites miyagiensis Bando 1964 yil
  • Ptychites nipponicus Bando 1964 yil
  • Ptychites oppeli Mojsisovich 1882 yil
  • Ptychites opulentus Mojsisovika 1882 yil
  • Ptychites pseudoeuglyphus Konstantinov 1991 yil
  • Ptychites stachei Mojsisovika 1882 yil
  • Ptychites trochleaeformis Lindstroem 1865
  • Ptychites wrighti McLearn 1946 yil

Tavsif

Ushbu turga kiradigan turlar shakli jihatidan ancha o'zgaruvchan bo'lib, subglobozadan tortib to lateral siqilgangacha. Qobiqning yuzasi past burmalar bilan ishlangan.[2]

Tarqatish

Ushbu turga mansub turlarning qoldiqlari Trias Afg'oniston, Avstriya, Kanada, Xitoy, Vengriya, Italiya, Yaponiya, Malayziya, Ummon, Papua-Yangi Gvineya, Rossiya, Tunis, Turkiya, AQSh.[3]

Adabiyotlar

  1. ^ Sepkoski, Jek Sepkoskining Onlayn turdagi ma'lumotlar bazasi - Cephalopoda
  2. ^ Amerikaning TRIASSIC CEPHALOPOD UMUMIY UYI, pg. 86 - Professional hujjat - Amerika Qo'shma Shtatlarining geologik xizmati
  3. ^ Paleobiologiya ma'lumotlar bazasi