A distinctive shallow marine crustacean fauna from the early Pleistocene of Poggi Gialli (Tuscany, central Italy): taxonomic inferences and palaeoenvironmental reconstruction

Baldanza, Angela; Bizzarri, Roberto; Angeli, Antonio De; Famiani, Federico; Garassino, Alessandro; Pasini, Giovanni; Pizzolato, Francesco

doi:10.1127/njgpa/2017/0685

Cited by 9 publications

(10 citation statements)

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“…Organization of both an inner and outer delta front presumably records a high cyclicity of alternate river-and wave-dominated phases (see Section 2.3.). Evidence of a widespread marine transgression, causing the change of river and alluvial plain patterns and the starvation of deltaic systems, were recorded at the top of the succession, as well as in other sites along the present-day Valdichiana and the western Trasimeno Hills (Figure 2) [5,14,30,44,45]. At this time, probably the two areas, northwards and southwards respectively, started evolving separately.…”

Section: The Delta Environment and Its Continental Supply (Late Pliocmentioning

confidence: 89%

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Integrated Stratigraphy of the Marine Early Pleistocene in Umbria

Bizzarri

Baldanza

2020

Geosciences

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Through time, the wide area between southeastern Tuscany, northeastern Latium, and western Umbria has been revealed as a crucial area for understanding the evolution of Neogene basins in northern Apennine. In this study, the results of twenty years of research on the marine early Pleistocene deposits are summarized, and the biological and physical events are presented and discussed in order to propose an integrated stratigraphic scheme. The proposed reconstruction is also included in a wider context, taking into account both the local and regional geological evolution.

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Section: The Delta Environment and Its Continental Supply (Late Pliocmentioning

confidence: 89%

“…Asseveral criticisms were pointed out, and as they emerged also in other case studies [45,70,71,97], a critical review of data would be expected.…”

Section: Proposed Stratigraphic Scheme For Western Umbriamentioning

confidence: 94%

Integrated Stratigraphy of the Marine Early Pleistocene in Umbria

Bizzarri

Baldanza

2020

Geosciences

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“…Cirolana harfordi japonica Thielemann, ; † Cirolana cottreaui (Roger ,); † Cirolana acuticauda (Secretan, ); † Cirolana enigma Wieder & Feldmann, ; † Cirolana fabianii De Angeli & Rossi, ; † Cirolana makikihi Feldmann et al ., ; † Cirolana garassino Feldmann, ; † Cirolana feldmanni Hyžný et al ., : † Cirolana forticrura Baldanza et al ., ; † Cirolana centinelensis Maguire et al ., .…”

Section: Colonizing Isopodsunclassified

“…titanophila sp. nov. C. forticrura Baldanza et al ., has a lower margin of the cephalon without the trapezoidal corners and a subtriangular flattened bulge on its pleotelson. C. centinelensis Maguire et al .…”

Section: Colonizing Isopodsmentioning

confidence: 99%

Eocene isopods on electric rays: tracking ancient biological interactions from a complex fossil record

et al. 2018

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Isopod crustaceans have developed a variety of feeding strategies, which impact on their various life habits over time. Apart from morphological adaptations and the typical secondary deformations that some parasitic isopods inflict on their host's exoskeleton, traces of feeding behaviours involving isopods on their victim/food are seldom fossilized. Many of these rare occurrences consist of cases for which the degree of association between the isopods and their potential food source is unclear, or the interaction only very briefly explained (recently analysed cases excepted). There are two limiting problems in identifying the biological nature of fossilized associations: (1) direct associations of organisms preserved as ‘imprint’ (as opposed to inclusions in cherts or amber) are shaped by several taphonomic events difficult to identify (such as the time of death, burial and fossilization of the organism); (2) even in modern nature, differences within syn vivo interactions (like parasitism and micropredation) are poorly understood in marine systems. We report the occurrence of isopods associated with ancient chondrichthyans which also represent rare cases of the preservation of several fossil isopods on larger organisms. These organisms are adult electric rays of the genus †Titanonarke Carvalho from the late Ypresian (Eocene) of the Monte Postale site, Bolca Lagerstätte, Italy. By examining: (1) the involved lineages of rays and isopods; (2) the taphonomy of the association; (3) its environmental context; and (4) biological/adaptive features; we identify this association as a selective case, either of ancient scavenging or of micropredation on specific electric rays by isopods.

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“…Both fully marine and transitional sedimentary rocks that crop out in a relatively restricted quarried area at Poggi Gialli (Sinalunga, Siena, Tuscany) have yielded diverse macrofossil assemblage from the early Pleistocene, including molluscs, echinoids, bryozoans, corals, decapod crustaceans, isopods, and plant remains (for a full list, see Baldanza et al, 2017). The rich and peculiar decapod crustacean assemblage, which is incomparable to other communities previously recorded from the Pleistocene of Tuscany and from the Mediterranean basin, has recently been discussed in detail by Baldanza et al (2017) who also provided a sedimentological, stratigraphic and palaeoenvironmental interpretations of the Poggi Gialli quarries.…”

Section: Introductionmentioning

confidence: 99%