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Pseudobeaconia celestae

Actinopteri - Perleidiformes - Pseudobeaconiidae

Taxonomy
Pseudobeaconia celestae was named by López-Arbarello and Zavattieri (2008). Its type specimen is MCNA-PV 944a/b; AMNH 8260 (paratype), a skeleton (complete specimen preserved in slab and counterslab), and it is a compression fossil. Its type locality is Yacimiento 2, south-western side of the Cerro El Mastil, which is in a Triassic fluvial-lacustrine siltstone in the Potrerillos Formation of Argentina.

Synonymy list
YearName and author
2008Pseudobeaconia celestae López-Arbarello and Zavattieri p. 1035 figs. Text-figs 6C, 9–14
2010Pseudobeaconia celestae López-Arbarello et al. p. 258 figs. Text-figure 6C

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
RankNameAuthor
superclassActinopterygii(Cope 1887)
classActinopteri()
subclassChondrostei(Müller 1844)
orderPerleidiformesBerg 1937
familyPseudobeaconiidae
genusPseudobeaconiaBordas 1944
speciescelestae

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.

Diagnosis
ReferenceDiagnosis
A. López-Arbarello and A. M. Zavattieri 2008A species distinguished by the following combination of primitive and advanced characters: body depth is 2.5· in SL; ventrolateral process of the postparietal indenting in the dorsal border of the dermopterotic; anterior supraorbital does not extend beyond the anterior border of the parietal; preoperculum with high posterodorsal
process; infraorbital process of preoperculum long and sharp; anterior margin of anal fin opposite the posterior end of dorsal fin; dorsal fin with two basal fulcra and 12 rays; anal fin with one slender basal fulcrum; caudal fin with three dorsal and two ventral basal fulcra; six dorsal and four ventral precaudal scutes.
A. López-Arbarello et al. 2010A species of Pseudobeaconia distinguished by the following combination of primitive and advanced characters: body depth is 2.5 · in SL; ventrolateral process of the parietal indenting in the dorsal border of the dermopterotic; anterior supraorbital does not extend
beyond the anterior border of the frontal; preoperculum with high posterodorsal process; infraorbital process of preoperculum long and sharp; anterior margin of anal fin opposite the posterior end of dorsal fin; dorsal fin with two basal fulcra and 12 rays; anal fin with one slender basal fulcrum; caudal fin with three dorsal and
two ventral basal fulcra; six dorsal and four ventral precaudal scutes (from López-Arbarello and Zavattieri 2008).