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Czatkowiella
Taxonomy
Czatkowiella was named by Borsuk−Białynicka and Evans (2009). Its type is Czatkowiella harae. It was considered monophyletic by Borsuk−Białynicka and Evans (2009).
It was assigned to Archosauromorpha by Borsuk−Białynicka and Evans (2009).
It was assigned to Archosauromorpha by Borsuk−Białynicka and Evans (2009).
Species
C. harae (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 2009 | Czatkowiella Borsuk−Białynicka and Evans p. 205 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
G. †Czatkowiella Borsuk−Białynicka and Evans 2009
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†Czatkowiella harae Borsuk−Białynicka and Evans 2009
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| M. Borsuk−Białynicka and S. E. Evans 2009 | Czatkowiella resembles early archosauromorphs (notably those traditionally grouped as “prolacertiforms”), and differs from lepidosauromorphs in having strongly elongated cervical vertebrae with long low neural spines and slender horizontally placed cervical ribs with an anterior process; it resembles the Late Triassic gliding kuehneosaurs and some archosauriforms, and differs from all described “prolacertiforms”, in having three−headed ribs on some anterior trunk vertebrae, but differs from kuehneosaurs in that these ribs do not attach to the ends of elongated transverse processes; resembles Rhombopholis (Benton and Walker 1997) in having expanded spines on the dorsal vertebrae, but differs in the other vertebral characters noted above; resembles the Late Permian Protorosaurus in combining long cervical vertebrae and slender horizontal cervical ribs with a primitive premaxilla lacking a posterolateral process, but differs in having a biradiate postorbital bone, paired parietals without a median crest, and cervical vertebrae that are proportionally longer in relation to their height, in the possession of some three−headed ribs, in having short dorsal vertebrae with a greater development of a spine table, and in lacking the bifid caudal neural spines that characterise all specimens of the Late Permian genus (SEE personal observation). In its combination of characters, Czatkowiella is unique and justifies distinct generic status. |
Measurements
No measurements are available
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| Source: subc = subclass, c = class, subp = subphylum | |||||
| References: Carroll 1988, Hendy et al. 2009 | |||||