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Time range of Hexanchiformes species

Akula buyurtma Geksanxiformes (keng ma'noda nafaqat o'z ichiga olgan sigir akulalari, shuningdek, qovurilgan akulalarni ham o'z ichiga oladi, Chlamydoselachidae) ko'pincha mavjud bo'lgan akulalarning eng ibtidoiysi hisoblanadi, chunki ular ba'zi xususiyatlarga ega Paleozoy va erta-Mezozoy sifatida akula guruhlari Cladoselachiformes. Shunday qilib, qanchalik orqaga qaytish qiziq fotoalbomlar ushbu buyurtma yetib boradi.

Chlamydoselachidae oilasi

TurlarPastki bo'rYuqori bo'rPaleotsenEosenOligotsenMiosenPlyotsenPleystotsenGolotsenMavjud
BVHBAACTCSCMD.STYLBPRCABLSTMZPGLMU
Chlamydoselachus thomsoni[1]
Chlamydoselachus gracilis[2]
Chlamydoselachus goliath[2]
Proteotrinaks baumgartneri
Chlamydoselachus fiedleri
Chlamydoselachus tobleri.
Chlamydoselachus bracheri
Chlamydoselachus lawleyi
Chlamydoselachus anguineus

Hexanchidae oilasi

TurlarPastki bo'rYuqori bo'rPaleotsenEosenOligotsenMiosenPlyotsenPleystotsenGolotsenMavjud
BVHBAACTCSCMD.STYLBPRCABLSTMZPGLMU
Geptranchias howellii.
Geptranchias ezoensis
Geptranxiyalar tenuidens
Geptranxiyalar perlo..------


JinsTurlarIlk yuraO'rta yuraYuqori yuraPastki bo'rYuqori bo'rPaleotsenEosenOligotsenMiosenPlyotsenPleystotsenGolotsenMavjud
HSPTABBCOKTBVHBAACTCSCMD.STYLBPRCABLSTMZPGLMU
Geksanxusarzoensis
mikrodon "agassizii"....
gracilis
kollinsonae
xokeri
agassizi.
griseus.
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nakamurai "vitulus"
griseus “andersoni” “gigas”.
Notidanoidlar-.
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Notidanodonlansolatus.-
antarkti
dentatus
pektinatus
brotzeni "
loozi ”
Notorynchus"Notidanus" aptiensis "
"Notidanus" vositachisi
"Notidanus" lawleyi
"Notidanus" munsteri
“Notidanus” cepedianus “primigenius” “kempi”...
"Notidanus" serratissimus
"Notidanus" serratus

Adabiyotlar

  1. ^ Rixter va Uord (1990): "Antarktidaning Jeyms Ross orolining Santa Marta shakllanishidan (kech bo'r) baliqlar qolgan." Antarktika ilmiy 2 (1): 71 [Zoologik yozuv 126-jild]
  2. ^ a b Antunes & Cappetta (2002): [Angoladan bo'r davridan kelgan selaxiylar (Albian-Maastrichtian).] Paleontogr Abt A Palaeozool-Stratigr 264 (5-6) aprel: 107 [Zoologik yozuvlar jildi 138]