Results 81 to 90 of about 8,565 (224)
Tremadocian Graptolite-Conodont Biostratigraphy of the South American Gondwana margin (Eastern Cordillera, NW Argentina) [PDF]
, 2005 The Tremadocian graptolite and conodont faunas of the Gondwana Margin recorded at the Eastern Cordillera (EC) of Salta and Jujuy provinces (northwestern Argentina) are studied.
Albanesi, G. L., +3 more
core +2 more sources
Journal of Anatomy, Volume 247, Issue 6, Page 1109-1130, December 2025.A fossil rostrum fragment of a large teleost fish from the Upper Cretaceous of Northern Italy reveals remarkable anatomical convergences with Cenozoic and Recent billfishes (marlins, swordfishes, and akin). The extinct group Plethodidae independently acquired a long snout, micro‐teeth, and oil‐gland sinuses well before the evolution of true billfishes.
Giovanni Serafini +5 more
wiley +1 more source
CONODONT BIOSTRATIGRAPHY OF THE "OCKERKALK" (SILURIAN) FROM SOUTHEASTERN SARDINIA
Rivista Italiana di Paleontologia e Stratigrafia, 2017 Twenty-two conodont species are recognized in the Ockerkalk exposed in the Silius area (Gerrei, southeastern Sardinia). The fauna, which is the first reported from this peculiar facies, indicates a Ludlow and e.-m. Pridoli age for this limestone.
SEBASTIANO BARCA +4 more
doaj +1 more source
Geologica Acta, 2009 New late Tremadocian (Early Ordovician) conodont and graptolite faunas from the eastern and central belts of the Eastern Cordillera (Jujuy Province, northwestern Argentina) are reported.
G.L. ALBANESI, G. ORTEGA
doaj
Conodont biostratigraphy of the upper Frasnian-lower Famennian transitional deposits in the Shotori Range, Tabas area, central-east Iran Microplate [PDF]
, 2013 A rich and diverse conodont fauna from upper Frasnian and lower-middle Famennian strata in three sections - Ghale-kalaghu, Howz-e-dorah 1 and Howz-e-dorah 2 - in the southern Shotori Range of central Iran contains forty-five taxa belonging to eight ...
BAHRAMI A +3 more
core +1 more source
Late Frasnian mass extinction: Conodont event stratigraphy, global changes, and possible causes [PDF]
Several abrupt changes in conodont biofacies are documented to occur synchronously at six primary control sections across the Frasnian-Famennian boundary in Euramerica. These changes occurred within a time-span of only about 100,000 years near the end of
Butler, Jamie L. +3 more
core +1 more source
The conodont genus Teridontus (Miller, 1980) from the Early Ordovician of Montagne Noire, France [PDF]
, 2008 THE CONODONT genus Teridontus was introduced in 1980 by Miller and was based on the Late Cambrian species Oneotodus nakamurai Nogami, 1967 from the Yencho Member of the Fengshan Fm. of northeast China.
Ferretti, Annalisa +3 more
core +1 more source
Rivista Italiana di Paleontologia e Stratigrafia, 2010 The problems around the Pragian/Emsian (P/E) boundary have been widely discussed by several authors, who have pointed out that the present Global Stratotype Section and Point (GSSP) in the Zinzilban section (Kitab Reserve, Uzbekistan), is much older than
CARLOS MARTÍNEZ-PÉREZ +2 more
doaj +1 more source
Geologia Croatica, 2010 Iranognathus sosioensis n.sp., a Changxingian (latest Permian) conodont species of western Sicily, is the youngest Iranognathus species occurring immediately below the Permian-Triassic boundary.The Middle Permian and part of the Late Permian ...
Heinz W. Kozur, Helfried Mostler
doaj +1 more source
Devonian Sandstone Lithostratigraphy, Northern Arkansas [PDF]
, 1977 Two areas of Devonian sandstone development may be recognized in northern Arkansas. In northwestern Arkansas, the Clifty Formation comprises a massively bedded, super mature quartz arenite of Middle Devonian age overlain by thinner bedded, phosphatic ...
Hall, Jeffery D., Manger, Walter L.
core +2 more sources