Números 9-10 - Consejo Superior de Investigaciones Científicas

CIENCIA
argillaceous limestone. . . exposed along the
trail at the divide on the southeast side of
a northeast-flowing tributary of the Rio de
Santo Domingo about '¿Y¿ miles south (and
possibly somewhat east) of Paseo Hondo,
Chiapas.. . in association with. . . Sankinella
? sp. and Schwagerina ? sp." (Thompson,
M. L. y A. K. Miller, 1944, 491-492,
lam. 80, figs. 7-11) "Stajfella centralis
Thompson y Miller."
Horizonte geológico: formación Paseo Hondo,
del Pérmico Inferior (serie Leonard de Texas).
3) Staffella fouiUaini Dunbar y Skinner
Localidad:
".. .at localities 29 (limestone layer 2 400
meters S 2° W of Cerro Pichagüilla, d'après
King, 1944, 32) and 30 (limestone layer
2 000 m S 47° W of Noria de Malascachas,
d'après King, 1944, 32)", región de Las Delicias,
Coahuila (Dunbar, C. O., 1944, 38-
39, lftms. 9, figs. 9-15 y 10, fig. 16) "Staffella
fountaini Dunbar y Skinner".
Horizonte geológico: Pérmico Superior (serie
Guadalupe de Texas).
4) Staffella subacula Dunbar
Localidad:
"In great abundance in certain layers of
bed 17 of the Difunta section at locality 12
(alternating shale and graywacke 60 meters
N 35° E of La Difunta, d'après King, 1944,
31), where it is associated with Parafustdina
deliciasensis", región de Las Delicias, Coahuila
(Dunbar, C. O., 1944, 39-40, lama. 10,
figs. 8-15 y 11, fig. 1) "SUiffella subacula
Dunbar, n. sp."
Horizonte geológico: Pérmico Superior (serie
Guadalupe de Texas).
Gén. Rauserella Dunbar, 1944
5) Rauserella errática Dunbar
Localidad :
".. .at localities 3 (fusuline limestone 125
meters S 70° E of summit of Cerro Agujito,
d'après King, 1944, 31) and 20 (along strike
from Cerro Wenceslao on south to 300 meters
west of El Indio on north, d'après King,
1944, 32)", región de Las Delicias, Coahuila
(Dunbar, C. O., 1944, 37-38, lám. 9, figs.
1-8) "Rauserella errática Dunbar, n. sp."
Horizonte geológico: Pérmico Superior (serie
Guadalupe de Texas).
Gén. Schubertella Staff y Wedekind, 1910
6) Schubertella mullerriedi Thompson y Miller
243
Localidad;
"extremely abundant in a massive limestone.
.. in the Paseo Hondo formation of
Chiapas. . exposed well up in the bluff on
the south side of the north trail between
Portales and Paseo Hondo abouth 31^ miles
east of Portales and just west of the eastern
of the two passes between Portales and Paseo
Hondo... in association with... Schwagerina
sp. A", región de Chicomuselo, Chiapas
(Thompson, M. L. y A. K. Miller, 1944,
488-489, lám. 79, figs. 5-11) "Schubertella
mullerriedi Thompson and Miller, n. sp."
Horizonte geológico: formación Paseo Hondo,
del Pérmico Inferior (serie Leonard de Texas).
Gén. Triticites Girty, 1904
7) Triticites piloncillensis Dunbar
Localidad:
"Abundant in the limestone exposed at Los
Piloncillos, locality 27 (fusuline-crinoidal
limestone at northeast point of main hill,
d'après King, 1944, 32) (and probably at
El Fraile)", región de Las Delicias, Coahuila
(Dunbar, C. O., 1944, 40-41, lám. 10,
figs. 1-7) "Triticites piloncillensis Dunbar,
n. sp."
Horizonte geológico: Pennsilvánico superior
(más arriba de la serie Des Moines del Pennsilvánico
Superior y más abajo de la serie
Leonard del Pérmico de Texas).
8) Triticites sp. A Dunbar
Localidad:
".. .300 feet below the highest exposure of
the Paleozoic limestone in the section at
the south end of Sierra de Huachita Hueca.
Associated with Triticites sp. B", al SSE de
Agua Prieta, Sonora (Dunbar, C. O., 19396,
1752, lain. 4, figs. 1 y 2A) "Triticites Bp. A".
Horizonte geológico: Pennsilvánico Superior
(grape Cisco de Texas).
9) Triticites sp. B Dunbar
Localidad:
"Associated with Triticites sp. A... about
300 feet below the highest exposures of the
Paleozoic limestone in the section at the
south erid of Sierra de Huachita Hueca", la
SSE de Agua Prieta, Sonora (Dunbar, C.
O., 1939, 1752, lám. 4, fig. 2B) "Triticites
sp. B".
Horizonte geológico: Pennsilvánico Superior
(grupo Cisco de Texas)..