Amniotes
Temporal range:
Pennsylvanian–Present,
PreЄ
Є
O
S
D
C
P
T
J
Pg
N
(Possible Mississippian record)
A baby tortoise emerges frae an amniotic egg.
Scientific classification e
Kinrick: Animalia
Phylum: Chordata
Supercless: Tetrapoda
Clade: Reptiliomorpha
Clade: Amniota
Haeckel, 1866
Clades
  • Casineria?
  • †Lysorophia?[1]
  • †Gymnarthridae?[1]
  • †Brachystelechidae?[1]
  • †Rhynchonkidae?[1]
  • †Ostodolepidae?[1]
  • †Hapsidopareiidae?[2]
  • †Pantylidae?[2]
  • Synapsida
  • Sauropsida

Amniotes is a clade o vertebrates comprisin the reptiles, birds an mammals whilk lay thair eggs on land or kep the fertilised egg within the mither.

References

  1. a b c d e Jason D. Pardo; Matt Szostakiwskyj; Per E. Ahlberg; Jason S. Anderson (2017). "Hidden morphological diversity among early tetrapods". Nature. 546 (7660): 642–645. doi:10.1038/nature22966. PMID 28636600.
  2. a b Arjan Mann; Jason D. Pardo; Hillary C. Maddin (2019). "Infernovenator steenae, a new serpentine recumbirostran from the 'Mazon Creek' Lagertätte further clarifies lysorophian origins". Zoological Journal of the Linnean Society. in press. doi:10.1093/zoolinnean/zlz026.