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Psilonichnus

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Journal Article
Journal: PALAIOS
Published: 01 June 2008
PALAIOS (2008) 23 (6): 370–379.
..., and walking-leg impressions along the burrow walls. The burrows are classified as Psilonichnus isp. based on their morphology and environmental occurrence. In the Ferris Formation, Psilonichnus is found within multistory channel deposits and is associated with lithofacies that indicate strong tidal influence...
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Series: SEPM Short Course Notes
Published: 01 January 2007
DOI: 10.2110/pec.07.52.0335
EISBN: 9781565761407
... Fig. 1 Map showing the distribution of the Iwaki Formation and location of Psilonichnus quietis of the Psilonichnus Ichnofacies. Location (star): 1-Distributary of Natsui river; 2-Kataichida, 3-Tekura, 4-near Kodama dam, 5-west Ogawa, 6-near Ogawa, 7-southwest Ogawa, 8-Kawagatahara, 7...
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Journal Article
Journal: PALAIOS
Published: 01 April 2006
PALAIOS (2006) 21 (2): 187–196.
...ELIZABETH A. NESBITT; KATHLEEN A. CAMPBELL Abstract The ichnogenus Psilonichnus and its named ichnospecies are evaluated for their utility in paleoenvironmental reconstructions. A combined ichnological-sedimentological model for shoreface-estuarine-fluvial settings is presented herein to show...
FIGURES
Journal Article
Published: 01 September 2002
Journal of Paleontology (2002) 76 (5): 892–901.
...ELIZABETH A. NESBITT; KATHLEEN A. CAMPBELL Abstract Psilonichnus lutimuratus n. ichnosp. is described from a Pliocene estuarine-mouth depositional environment ( Skolithos ichnofacies) of the Olympic Peninsula, Washington, U.S.A. These simple Y-, I-, and J-shaped, mud-lined burrows occur in situ...
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Journal Article
Published: 01 March 1988
Journal of Paleontology (1988) 62 (2): 168–172.
Journal Article
Published: 01 September 1987
Bulletin of Canadian Petroleum Geology (1987) 35 (3): 333–357.
... and supratidal flats. Ichnologically, this quasimarine ecotone yields distinctive mixtures of marine and nonmarine lebensspuren herewith designated the Psilonichnus Ichnocoenose. As exemplified by Holocene and Pleistocene barrier-island sequences in Georgia, this ichnocoenose lies between the marine Skolithos...
Journal Article
Published: 01 March 1984
Journal of Paleontology (1984) 58 (2): 333–350.
.... Nonetheless, most such dwelling structures have been studied little and remain essentially unnamed. The ichnogenus Psilonichnus Fuersich is amenable to the taxonomic concept of several forms of crab burrows; presently recognized ichnospecies include P. tubiformis Fuersich and P. upsilon (n. ichnosp...
Journal Article
Journal: PALAIOS
Published: 01 April 2000
PALAIOS (2000) 15 (2): 142–151.
..., rarely branch, and have an unconstricted apertural opening, they have been classified as Psilonichnus upsilo . Type A and B. Psilonichnus upsilo . Type A is generally 1 to 3 cm in diameter and is infilled with laminated sediment. In general, P. upsilo . Type A is observed in ancient point-bar deposits...
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Image
Carcinus maenas  scratch marks (pascichnia).  A ) Paired scratch marks cove...
Published: 21 January 2025
Fig. 4. Carcinus maenas scratch marks (pascichnia). A ) Paired scratch marks cover the entire lower and upper tidal flats at Site 1. B ) Close-up of scratch marks at Site 1, which trend parallel to oblique to the water line. C ) Close-up of B. A circular burrow opening ( Psilonichnus -like
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<span class="search-highlight">Psilonichnus</span> Ichnofabric  (a)  Tier diagram (Ps =  <span class="search-highlight">Psilonichnus</span> )  (b)  Ich...
Published: 01 August 2013
Fig.3. Psilonichnus Ichnofabric (a) Tier diagram (Ps = Psilonichnus ) (b) Ichnofabric constituent diagram of the Psilonichnus Ichnofabric showing order of emplacement of burrows.
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Carcinus maenas  trackways (locomotion) and burrows (domiciles).  A – C ) T...
Published: 21 January 2025
-consolidated) and Site 3 (C; unconsolidated). D ) Psilonichnus -like burrows behind a large rock fragment at Site 1. E ) Spongeliomorpha -like burrow entrances/exits with chelae marks made on the upper tidal flat at Site 1. F ) Psilonichnus -like ( Ps ) burrows within the semi-consolidated marsh cliff
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FIGURE 4 —Outcrop examples of  <span class="search-highlight">Psilonichnus</span> upsilo . Type B. (A, B) Cross s...
Published: 01 April 2000
FIGURE 4 —Outcrop examples of Psilonichnus upsilo . Type B. (A, B) Cross section of P. upsilo . Type B detailing the trample fill, passive fill, diagenetic halo, and notch. (C) Psilonichnus upsilo . Type B that has aggraded approximately 25 cm (outcrop trowel is approximately 30 cm long). (D
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Burrows of mudskippers, an overlooked tracemaker in intertidal mangrove swa...
Published: 01 June 2016
pectinirostris . E ) Psilonichnus -like burrow of Periophthalmodon schlosseri . F ) Psilonichnus -like burrow of Periophthalmus modestus . G ) Psilonichnus -like burrow of Periophthalmus sobrinus . H ) Maconopsis -like (i, ii) and Psilonichnus -like (iii) burrow casts of Periophthalmodon
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FIGURE 2 —Diagrams of the four named  <span class="search-highlight">Psilonichnus</span>  ichnospecies, redrawn f...
Published: 01 April 2006
FIGURE 2 —Diagrams of the four named Psilonichnus ichnospecies, redrawn from photographs, illustrating ichnotaxonomic characteristics and sedimentological settings. Gray shading=enclosing mudstone or siltstone strata; stippled pattern=sandstone; dark-gray shading=smooth mud lining produced
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TABLE 1 —Comparison of first-order (ichnogenus level) and second-order (ich...
Published: 01 April 2006
TABLE 1 —Comparison of first-order (ichnogenus level) and second-order (ichnospecies level) characters to define the burrow architecture of simple, two-dimensional Psilonichnus traces compared with complex, three-dimensional, branching burrow systems. Diagnoses of the different ichnospecies
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FIGURE 11 —Trace fossil-sediment fabric analysis for a portion of a dense  ...
Published: 01 December 2000
FIGURE 11 —Trace fossil-sediment fabric analysis for a portion of a dense Psilonichnus bed (cf. Fig. 5D ), overlain by a 25-cm-thick megastorm-flood horizon, in lower Facies 1 deposits, NPG section. Vertical section views. (A) Detail of portion (top 1.5 m × 4 m of total width) of Psilonichnus
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Figure  3 — 1,  In situ  <span class="search-highlight">Psilonichnus</span> lutimuratus  n. ichnosp. in outcrop, ...
Published: 01 September 2002
Figure 3 — 1, In situ Psilonichnus lutimuratus n. ichnosp. in outcrop, North Point Grenville section, Quinault Formation, Washington, U.S.A. Cliff face, vertical section view of densely packed traces (UWBM locality B6644) in wave-rippled to parallel-laminated sandstone, with thin mudstone
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FIGURE 7 —Sandy Facies 1 deposits and  Skolithos  ichnofacies elements, low...
Published: 01 December 2000
of mud-lined, small Psilonichnus burrows (level of hammer), and uncommon Ophiomorpha (white arrows). (D) Single ichnotaxon concentration of mud-lined, large Psilonichnus “burrow apartments” (cf. Fig. 5D ) in planar to wavy laminated sandstone, with small Psilonichnus (sP) at base. (E) Single
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A photograph displaying at least six individual examples of  <span class="search-highlight">Psilonichnus</span>  ...
Published: 27 August 2021
Fig. 4.— A photograph displaying at least six individual examples of Psilonichnus borings. This ichnogenus is very common in the upper parts of the BA sandstones and is associated with a hard-substrate Glossifungites Ichnofacies.
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FIGURE 9 — Camborygma  vs.  <span class="search-highlight">Psilonichnus</span> . Photographs and schematic diagra...
Published: 01 June 2008
FIGURE 9 — Camborygma vs. Psilonichnus . Photographs and schematic diagrams of crayfish and crab burrows from casts and published examples ( Hasiotis and Mitchell, 1993 ; Gingras et al., 2000 ), showing key architectural differences. Photograph of Psilonichnus from estuarine barform