TY - JOUR
T1 - Moradebrichthys vilasecae gen. Et sp. nov., A new perleidid (actinopterygii
T2 - Osteichthyes) from the middle Triassic of Catalonia (Ne Iberian Peninsula)
AU - Cartanyà, Joan
AU - Fortuny, Josep
AU - Bolet, Arnau
AU - Garcia-Artigas, Ruben
PY - 2019/5/1
Y1 - 2019/5/1
N2 - A new actinopterygian, Moradebrichthys vilasecae gen. et sp. nov., from the Middle Triassic (Late Ladinian) of Móra d’Ebre-Camposines (Catalonia, NE Iberian Peninsula) is erected on the basis of several, almost complete, articulated and well-preserved specimens. It is referred to the controversial family Perleididae based on the presence of a combination of features such as paried nasals, presence of rostral, vertical suspensorium, absence of interopercle, lack of coronoid in the mandible, basal and fringing fulcra on f ns developed to different extents and an almost symmetrical caudal f n with epaxial f n rays. Comparisons to other well-known taxa usually assigned to the Perleididae family reveals that the new taxon presents many similarities with the genera Perleidus, Peltoperleidus, Aetheodontus and Meridensia, rather than other perleidids. Moreover, additional morphological characters, not shared with any of these genera are: a big half moon shaped infraorbital-2 and one elongate infraorbital-1, a narrow vertical preopercle with a prominent and pointed anterior maxillary process, a dentary covered by horizontally arranged ridges, a very big opercle and a much smaller subopercle, and the high level of lepidotrichia branching in the caudal f n. A comparison of Catalan Middle Triassic actinopterygian assemblages with other ones from Central European basins of coeval age (particularly Italian and Swiss localities) suggest some faunal similarities, being of special interest the potential correlation with the Besano Formation.
AB - A new actinopterygian, Moradebrichthys vilasecae gen. et sp. nov., from the Middle Triassic (Late Ladinian) of Móra d’Ebre-Camposines (Catalonia, NE Iberian Peninsula) is erected on the basis of several, almost complete, articulated and well-preserved specimens. It is referred to the controversial family Perleididae based on the presence of a combination of features such as paried nasals, presence of rostral, vertical suspensorium, absence of interopercle, lack of coronoid in the mandible, basal and fringing fulcra on f ns developed to different extents and an almost symmetrical caudal f n with epaxial f n rays. Comparisons to other well-known taxa usually assigned to the Perleididae family reveals that the new taxon presents many similarities with the genera Perleidus, Peltoperleidus, Aetheodontus and Meridensia, rather than other perleidids. Moreover, additional morphological characters, not shared with any of these genera are: a big half moon shaped infraorbital-2 and one elongate infraorbital-1, a narrow vertical preopercle with a prominent and pointed anterior maxillary process, a dentary covered by horizontally arranged ridges, a very big opercle and a much smaller subopercle, and the high level of lepidotrichia branching in the caudal f n. A comparison of Catalan Middle Triassic actinopterygian assemblages with other ones from Central European basins of coeval age (particularly Italian and Swiss localities) suggest some faunal similarities, being of special interest the potential correlation with the Besano Formation.
KW - New taxon
KW - actinopterygian
KW - Ladinian
KW - Middle Triasssic
KW - Móra d'Ebre
KW - Catalonia
UR - http://www.scopus.com/inward/record.url?scp=85067013578&partnerID=8YFLogxK
U2 - 10.1127/njgpa/2019/0816
DO - 10.1127/njgpa/2019/0816
M3 - Article (Academic Journal)
AN - SCOPUS:85067013578
SN - 0077-7749
VL - 292
SP - 171
EP - 190
JO - Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen
JF - Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen
IS - 2
M1 - 292/2
ER -