Palaeos		Eureptilia
Vertebrates		Romeria texana (2)

Eureptilia: Romeria texana (2)

AMNIOTA
|--SYNAPSIDA
`--+--ANAPSIDA
   |
   `--EUREPTILIA
      |--Coelostegus
      `--+--+--Thuringothyris
          |   `--Captorhinidae
          |     |--Concordia
          |     `--+--Romeria
          |        `--+--Captorhinus
          |            `--Moradisaurinae
          `--+--Brouffia 
            `--Romeriida
               |--Paleothyris                
               `--+--Hylonomus              
                  `--+--Protorothyrididae
                     `--DIAPSIDA

Facsimile of the type specimen of Romeria texana (MCZ 1480). Well visible is the bilateral embayment of the posterior skull table. The smoothness of the bones is due to preparation. Originally these bones were sculptured in a typical captorhinid manner.

Abbreviations: f, frontal; j, jugal; l, lacrimal; n, nasal; p, parietal; pf, postfrontal; pp, postparietal; prf, prefrontal; po, postorbital; sq, squamosal, st, supratemporal.