WikiDer > Sfenakodontiya

Sfenakodontlar; Vaqtinchalik diapazon: Pensilvaniya-Yaqinda, 299.9–0 Ma PreꞒ Ꞓ O S D. C P T J K Pg N
	CGni tiklash Dimetrodon gomogenlari
Ilmiy tasnif
Qirollik:	Animalia
Filum:	Chordata
Klade:	Sinapsida
Klade:	Eupelikozauriya
Klade:	Haptodontiformes
Klade:	Sfenakomorf
Klade:	Sfenakodontiya
Genera va Clades
	†Haptod; †Hipselohaptodus; Pantherapsida Spindler, 2016 yil †Ketleriya; †Paleohatteriidae; †Tetraceratops; Sfenakodontoidea †Sphenacodontidae; Terapsida; ; ;

Sphenacodontia

Sfenakodontiya a poyaga asoslangan qoplama olingan sinapsidlar. Bu Amson va Laurin (2011) tomonidan "o'z ichiga olgan eng katta qoplama sifatida aniqlangan Haptodus baylei, Haptodus garnettensis va Sfenakodon feroks, lekin emas Edafosaurus pogonias".^[2] Ular birinchi navbatda paydo bo'ladi Pensilvaniyalik kech davr.

Bazal Sfenakodontiya a o'tish davri evolyutsion boshidanoq ketma-ket pelikozavrlar ajdodlarga terapevtiklar (bu o'z navbatida yanada rivojlangan shakllarning ajdodlari bo'lgan va nihoyat sutemizuvchilar). Sfenakodontiyalar proto-terapevtlar deyish mumkin.

Xususiyatlari

The tavsiflovchi xususiyatlar ning qalinlashishini o'z ichiga oladi maxilla ichki yuzasida, katta old tomondan ko'rinib turadi (kaniniform) tishlar; va prekaksiller tishlarni chuqur rozetkalarga o'rnatish. Boshqa barcha singil guruhlar (opa-singillar guruhi va undan ibtidoiy) tishlari sayoz rozetkalarga o'rnatilgan.

Tasnifi

Pantelosaurus, dan Erta Permiy

Sekodontozavr, Erta Permiy

Frobiyni quyidagi taksonomiyasi kuzatib boradi va boshq. (2011) va Benson (2012), agar boshqacha ko'rsatilmagan bo'lsa.^[2]^[3]^[4]

Sinf Sinapsida

Eupelikozauriya
- Sfenakodontiya
  - †Haptod
  - Pantherapsida
    - †Ketleriya
    - †Paleohatteriidae
    - †Tetraceratops
    - Sfenakodontoidea
      - †Sphenacodontidae
      - Terapsida

Shuningdek qarang

Sutemizuvchilar evolyutsiyasi

Adabiyotlar

^ Spindler, F. 2016. Paleohatteria va Pantelosaurus morfologik tavsifi va taksonomik holati (Synapsida: Sphenacodontia). Freiberger Forschungshefte C550 (23): 1-57. https://www.researchgate.net/publication/321129043_Morphological_description_and_taxonomic_status_of_Palaeohatteria_and_Pantelosaurus_Synapsida_Sphenacodontia
^ ^a ^b Benson, R.J. (2012). "Bazal sinapsidlarning o'zaro aloqalari: kranial va postkranial morfologik bo'limlar turli topologiyalarni taklif qiladi". Tizimli paleontologiya jurnali. 10 (4): 601–624. doi:10.1080/14772019.2011.631042.
^ Yorg Fröbish, Rayner R. Shoch, Yoxannes Myuller, Tomas Shindler va Diter Shvays (2011). "Germaniyaning Saar-Naxe havzasining so'nggi karbonat davridan yangi bazal sfenakodontid sinapsidi" (PDF). Acta Palaeontologica Polonica. 56 (1): 113–120. doi:10.4202 / app.2010.0039.CS1 maint: mualliflar parametridan foydalanadi (havola)
^ https://pdfs.semanticscholar.org/9c44/ab6ded322debc7895dba871e4b06ea2a36f1.pdf

Laurin, M. va Reisz, R. R., 1997, Sinapsidlarning asosiy qoplamalarining avtapomorfiyalari - Hayot daraxti veb-loyihasi

Tashqi havolalar

Sinapsida: Sfenakodontiya

[1] Spindler, F. 2016. Paleohatteria va Pantelosaurus morfologik tavsifi va taksonomik holati (Synapsida: Sphenacodontia). Freiberger Forschungshefte C550 (23): 1-57. https://www.researchgate.net/publication/321129043_Morphological_description_and_taxonomic_status_of_Palaeohatteria_and_Pantelosaurus_Synapsida_Sphenacodontia

[BRJ12-2] Benson, R.J. (2012). "Bazal sinapsidlarning o'zaro aloqalari: kranial va postkranial morfologik bo'limlar turli topologiyalarni taklif qiladi". Tizimli paleontologiya jurnali. 10 (4): 601–624. doi:10.1080/14772019.2011.631042.

[Fröbischetal2011-3] Yorg Fröbish, Rayner R. Shoch, Yoxannes Myuller, Tomas Shindler va Diter Shvays (2011). "Germaniyaning Saar-Naxe havzasining so'nggi karbonat davridan yangi bazal sfenakodontid sinapsidi" (PDF). Acta Palaeontologica Polonica. 56 (1): 113–120. doi:10.4202 / app.2010.0039.CS1 maint: mualliflar parametridan foydalanadi (havola)

[4] ttps://pdfs.semanticscholar.org/9c44/ab6ded322debc7895dba871e4b06ea2a36f1.pdf

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