Trace and soft body fossils from the Pedroche Formation (Ovetian, Lower Cambrian of the Sierra de Córdoba, S Spain) and their relation to the Pedroche event

Ichnofossils and their significance in the Cambrian successions of the Parahio Valley in the Spiti Basin, Tethys Himalaya, India

“…Though, various workers have given their opinion time to time regarding the status of these ichnogenera. The present specimens differ with the specimens described from the Pedroche Formation of the Spain in the manner of tightly blunt appearance of claw markings (Gámez Vintaned et al, 2006) and also with the species described by Mikuláš (2000) from the Barrandian area, Czech Republic. The ichnogenus Dimorphichnus is known from the Lower Cambrian succession of Wales (Crimes, 1970), Lesser Himalaya (Tiwari and Parcha, 2006), Zanskar (Parcha and Singh, 2010) and from Rajasthan Pandey, 2008, 2010 The specimen is preserved as hyporelief in sandstone.…”

“…Due to the paucity of good material at present the ichnogeneric determination is possible only. The ichnospecies of Bergaueria have been widely reported from the Cambrian and Ordovician strata (Häntzschel, 1975) but is particularly common in the Lower Cambrian (McKee, 1945;Seilacher, 1956;Aria and McGugan, 1968;Schmitz, 1971;Young, 1972;Alpert, 1973;Arboleya, 1973;Crimes et al, 1977;Crimes and Anderson, 1985;Gámez Vintaned et al, 2006). Locality: This ichnotaxa is relatively rare and has been recorded from the middle part of the Debsakhad Member, in the Parahio section of the Kunzum La Formation.…”

Potential sources of Ediacaran strata of Iberia: a review

“…In addition, the Série Negra is locally overlain by the São Jerónimo Formation, composed of interbedded andesites, conglomerates, sandstones and shales (Liñán, 1978). This volcanic sequence with a calc-alkaline signature (Pin, Liñan, Pascual, Donaire, & Valenzuela, 2002) is assigned to the Ediacaran based on trace fossil and microfossil content (Quesada, 1990a), and because it is unconformably overlain by Lower Cambrian sandstones (Torrearboles Formation; Gámez Vintaned et al, 2006;Liñán, Perejón, & Sdzuy, 1993). In the same stratigraphic position, i.e.…”

Depositional environment of Stelloglyphus llicoensis isp. nov.: a new radial trace fossil from the Neogene Ranquil Formation, south-central Chile.

“…The radial trace fossil Stelloglyphus llicoensis occurs in an early Pliocene sedimentary succession rich in organic material, deposited in subtropical to tropical waters in an outer shelf to upper continental slope environment, in contrast to similar ichnospecies that occur in shallow water environments, e.g., Dactyloidites peniculus (D'Alessandro and Bromley, 1986), D. cabanasi (Vintaned et al, 2006) and Haentzschelinia ottoi (Gibert et al, 1995;Agirrezabala and Gibert, 2004). Turbidity currents occasionally disturbed the generally calm environment.…”

“…Related forms include Phoebichnus bosoensis Kotake, 2003, which derives from the Neogene, and Phoebichnus minor that occurs in the Cambrian (Li and Yuan, 1999). The monotypic ichnogenus Sphaerichnus, described from the Jurassic of India 'lacks any internal structure such as spreiten' (Fürsich, 1998 (Fitch, 1850)] from the Early Cambrian of New York State, and other ichnospecies such as Dactyloidites cabanasi, which is a stellate form with 4-6 broad, leaf-shaped radial tunnels around a central shaft (Vintaned et al, 2006), are restricted to one bedding plane. Some of the better known ichnospecies like D. ottoi and D. peniculus do not occur only in a single plane, but are multitiered and resemble our new ichnospecies to a certain extent.…”