ArchaeonassaFenton and Fenton 1937 reviewed

Trace fossils, algae, invertebrate remains and new U-Pb detrital zircon geochronology from the lower Cambrian Torneträsk Formation, northern Sweden

“…and Carboniferous examples from Ireland (Buckman 1994) are especially similar morphologically to the Torneträsk specimens. Kulling (1950, fig. 2) illustrated markedly larger but otherwise similar levee-flanked trails from the "upper sandstone" interval of the Torneträsk Formation.…”

Trace fossils, algae, invertebrate remains and new U-Pb detrital zircon geochronology from the lower Cambrian Torneträsk Formation, northern Sweden

“…and Carboniferous examples from Ireland (Buckman 1994) are especially similar morphologically to the Torneträsk specimens. Kulling (1950, fig. 2) illustrated markedly larger but otherwise similar levee-flanked trails from the "upper sandstone" interval of the Torneträsk Formation.…”

The Tommotian phase of the Early Cambrian Agronomic Revolution in the carbonate mud environment of central Siberia

“…). The late Ediacaran (Jensen ) to Mid Cambrian alleged gastropod trails Archaeonassa (Fenton & Fenton ) are hardly of such origin (Yochelson & Fedonkin ; but see Buckman ). The late Ediacaran Kimberella is generally envisaged as the earliest known mollusc, but its dorsum was not covered with a marginally growing shell (Dzik ); it may be a basal lophotrochozoan.…”

“…Possibly the standard muscular foot, typical of modern molluscs had not yet developed (see also Thomas et al 2010a), although the ventral muscular foot is generally believed to be an ancestral state of molluscs (Kocot et al 2011;Smith et al 2011;Vinther et al 2012; but see Caron et al 2006). The late Ediacaran (Jensen 2003) to Mid Cambrian alleged gastropod trails Archaeonassa (Fenton & Fenton 1937) are hardly of such origin (Yochelson & Fedonkin 1997; but see Buckman 1994). The late Ediacaran Kimberella is generally envisaged as the earliest known mollusc, but its dorsum was not covered with a marginally growing shell (Dzik 2011b); it may be a basal lophotrochozoan.…”

IchnogenusPholeusFiege, 1944, revisited

“…A. fossulata occurs either as an exogenic trail or as an endogenic burrow as described by Fenton and Fenton (1937). According to Buckman (1994), it is a good indicator for intertidal regimes. In order to test whether burrows showed any degree of common orientation, some were measured in situ (cf.…”

Trace fossils, algae, invertebrate remains and new U-Pb detrital zircon geochronology from the lower Cambrian Torneträsk Formation, northern Sweden

“…and Carboniferous examples from Ireland (Buckman 1994) are especially similar morphologically to the Torneträsk specimens. Kulling (1950, fig. 2) illustrated markedly larger but otherwise similar levee-flanked trails from the "upper sandstone" interval of the Torneträsk Formation.…”

The Tommotian phase of the Early Cambrian Agronomic Revolution in the carbonate mud environment of central Siberia

“…). The late Ediacaran (Jensen ) to Mid Cambrian alleged gastropod trails Archaeonassa (Fenton & Fenton ) are hardly of such origin (Yochelson & Fedonkin ; but see Buckman ). The late Ediacaran Kimberella is generally envisaged as the earliest known mollusc, but its dorsum was not covered with a marginally growing shell (Dzik ); it may be a basal lophotrochozoan.…”

“…Possibly the standard muscular foot, typical of modern molluscs had not yet developed (see also Thomas et al 2010a), although the ventral muscular foot is generally believed to be an ancestral state of molluscs (Kocot et al 2011;Smith et al 2011;Vinther et al 2012; but see Caron et al 2006). The late Ediacaran (Jensen 2003) to Mid Cambrian alleged gastropod trails Archaeonassa (Fenton & Fenton 1937) are hardly of such origin (Yochelson & Fedonkin 1997; but see Buckman 1994). The late Ediacaran Kimberella is generally envisaged as the earliest known mollusc, but its dorsum was not covered with a marginally growing shell (Dzik 2011b); it may be a basal lophotrochozoan.…”

IchnogenusPholeusFiege, 1944, revisited

“…A. fossulata occurs either as an exogenic trail or as an endogenic burrow as described by Fenton and Fenton (1937). According to Buckman (1994), it is a good indicator for intertidal regimes. In order to test whether burrows showed any degree of common orientation, some were measured in situ (cf.…”

Trace fossils, algae, invertebrate remains and new U-Pb detrital zircon geochronology from the lower Cambrian Torneträsk Formation, northern Sweden

“…and Carboniferous examples from Ireland (Buckman 1994) are especially similar morphologically to the Torneträsk specimens. Kulling (1950, fig. 2) illustrated markedly larger but otherwise similar levee-flanked trails from the "upper sandstone" interval of the Torneträsk Formation.…”

The Tommotian phase of the Early Cambrian Agronomic Revolution in the carbonate mud environment of central Siberia

“…). The late Ediacaran (Jensen ) to Mid Cambrian alleged gastropod trails Archaeonassa (Fenton & Fenton ) are hardly of such origin (Yochelson & Fedonkin ; but see Buckman ). The late Ediacaran Kimberella is generally envisaged as the earliest known mollusc, but its dorsum was not covered with a marginally growing shell (Dzik ); it may be a basal lophotrochozoan.…”

“…Possibly the standard muscular foot, typical of modern molluscs had not yet developed (see also Thomas et al 2010a), although the ventral muscular foot is generally believed to be an ancestral state of molluscs (Kocot et al 2011;Smith et al 2011;Vinther et al 2012; but see Caron et al 2006). The late Ediacaran (Jensen 2003) to Mid Cambrian alleged gastropod trails Archaeonassa (Fenton & Fenton 1937) are hardly of such origin (Yochelson & Fedonkin 1997; but see Buckman 1994). The late Ediacaran Kimberella is generally envisaged as the earliest known mollusc, but its dorsum was not covered with a marginally growing shell (Dzik 2011b); it may be a basal lophotrochozoan.…”

IchnogenusPholeusFiege, 1944, revisited

“…A. fossulata occurs either as an exogenic trail or as an endogenic burrow as described by Fenton and Fenton (1937). According to Buckman (1994), it is a good indicator for intertidal regimes. In order to test whether burrows showed any degree of common orientation, some were measured in situ (cf.…”