A fossil loricariid catfish (Siluriformes: Loricarioidea) from the Taubaté Basin, eastern Brazil
Author
Malabarba, Maria Claudia
Author
Lundberg, John G.
text
Neotropical Ichthyology
2007
2007-09-30
5
3
263
270
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252007000300005&lng=en&tlng=en
journal article
10.1590/S1679-62252007000300005
1982-0224
5419227
Taubateia
,
new genus
Figs. 2-5
Type
species.
Taubateia paraiba
,
new species
.
Diagnosis.
Mesethmoid with shallow median cleft, flanked by reduced and anteriorly rounded cornua (
Fig. 4
); mesethmoid ventral disk small, ball-shaped and subterminal (
Fig. 4
); mesethmoid shaft wide (
Fig. 3a
); anterior tip of prevomer forms spike-like sutural joint with mesethmoid (
Fig. 3a
); posterolateral corner of the lateral ethmoid greatly expanded (
Figs. 2
,
3a
); ventral ridge on lateral ethmoid low and rounded (
Figs. 2
,
3a
); parasphenoid wide and flat (
Figs. 2
,
3a
); pterotic approximately square and widest at ventral margin(
Figs. 2
,
3a
,
5
); transverse process of Weberian complex centrum not contacting the ossified transcapular ligament and reaching the border of the pterotic (
Fig. 5
); ossified transcapular ligament forming a short transverse shelf medially reaching the basiocciptal lateral process (
Fig. 5
); aortic groove extending at least to the ninth vertebrae (
Fig. 3a
); absence of pleural ribs posterior to sixth vertebrae (
Fig. 2
).
Etymology.
Taubateia
from the name Taubate, in reference to the basin where the fossil comes from, with the suffix “
ia
” from the Latin and Greek, denoting pertaining to; gender feminine.