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Oichnus

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Journal Article

Sedilichnus, Oichnus, Fossichnus , and Tremichnus : ‘small round holes in shells' revisited Available to Purchase

John-Paul Zonneveld, Murray K. Gingras
Published: 01 September 2014
Journal of Paleontology (2014) 88 (5): 895–905.
DOI: https://doi.org/10.1666/13-012
... proposed for these trace fossils: Sedilichnus Müller, Oichnus Bromley, Tremichnus Brett and Fossichnus Nielsen, Nielsen and Bromley. Previous authors have established that Tremichnus is a junior synonym of Oichnus . Herein we show that Oichnus and Fossichnus are junior synonyms of Sedilichnus . Sedilichnus...
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View PDF for article title, Sedilichnus, <span class="search-highlight">Oichnus</span>, Fossichnus , and Tremichnus : ‘small round holes in shells&#x27; revisited
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Bivalves with common gastropod drill holes attributable to Oichnus paraboloides Bromley, 1981, produced from the outside (convex side) of the shell. (1) A valve of Astarte incerta Wood, 1850, from the lower Pliocene Oosterhout Formation of Langenboom in the Netherlands (MAB 14080) exhibiting a naticid drill hole. (2) A valve of Astarte goldfussi Hinsch, 1952, from the lower to middle Miocene Miste Bed (Aalten Member, Breda Formation) of Miste in the Netherlands (RGM.607538.c) exhibiting a naticid drill hole.

Bivalves with common gastropod drill holes attributable to Oichnus parabol... Open Access

Published: 01 September 2024
Figure 1. Bivalves with common gastropod drill holes attributable to Oichnus paraboloides Bromley, 1981 , produced from the outside (convex side) of the shell. ( 1 ) A valve of Astarte incerta Wood, 1850 , from the lower Pliocene Oosterhout Formation of Langenboom in the Netherlands (MAB
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Fig. 7. (1–6) Photographs of Oichnus borings in pentamerides and orth... Available to Purchase

Published: 04 March 2008
Fig. 7. (1–6) Photographs of Oichnus borings in pentamerides and orthides. (1) A single and penetrative Oichnus simplex boring in a Gypidula specimen from Baillie-Hamilton Island, BHG1S2, scale bar = 0.5 mm. (2) A Sieberella specimen from Keele River (KRS4S1) with a pearl-shaped healing
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Oichnus simplex Bromley infesting cf. Ureocrinus bockschii (Geinitz), Trearne Quarry, north Ayrshire; Blackhall Limestone, Lower Limestone Formation, Clackmannan Group; Brigantian (Mississippian, Lower Carboniferous). All scale bars represent 5 mm unless stated otherwise. (a) RGM 1332290, large pluricolumnal with keyhole-shaped pit (above centre), incomplete radice (upper right) and incipient radice (centre right). Scale bar represents 10 mm. (b) RGM 1332291, elliptical pit broken on left. (c) RGM 1332292, two pits centred on sutures and with raised lips. (d) RGM 1332293, specimen with raised lip, but centred on a columnal, not a suture. (e) RGM 1332294, depressed pit centred on columnal; note deflected sutures. (f) RGM 1332295, depressed pit. (g) RGM 1332296, broad, round pit. (h) RGM 1332297, specimen disarticulated at level of pit (top). Scale bar represents 2 mm. (i) RGM 1332298, pit centred on columnal and with raised lip. (j) RGM 1332299, irregularly-shaped pit; second, more rounded pit at top (poorly seen). Scale bar represents 2 mm. (k) RGM 1332300, short pluricolumnal with big, round pit. Scale bar represents 2 mm. Specimens uncoated.

Oichnus simplex Bromley infesting cf. Ureocrinus bockschii (Geinitz), Tr... Available to Purchase

Published: 07 November 2018
Fig. 2. Oichnus simplex Bromley infesting cf. Ureocrinus bockschii (Geinitz), Trearne Quarry, north Ayrshire; Blackhall Limestone, Lower Limestone Formation, Clackmannan Group; Brigantian (Mississippian, Lower Carboniferous). All scale bars represent 5 mm unless stated otherwise. ( a ) RGM
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Oichnus simplex Bromley infesting cf. Ureocrinus bockschii (Geinitz), Trearne Quarry, north Ayrshire; Blackhall Limestone, Lower Limestone Formation, Clackmannan Group; Brigantian (Mississippian, Lower Carboniferous). Scale bars represent 5 mm. (a) RGM 1332301, a pair of confluent pits with raised rims. (b) RGM 1332302, a large, lozenge-shaped pit; a second, smaller, round pit (upper left) may represent a later infestation. (c, d) RGM 1332303, two views of a pluricolumnal rotated through 180°, showing a single pit on each side and at about the same level. (e) RGM 1332304, pluricolumnal infested by a small, solitary rugose coral (upper left). (f) RGM 1332305, radice (lower right) just below a pit; note distinctive shape of deformation of the pluricolumnal. (g) RGM 1332306, well-swollen pluricolumnal with a pair of irregularly-preserved pits. (h) RGM 1332307, sinuous growth deformation (compare with (f)). Specimens uncoated.

Oichnus simplex Bromley infesting cf. Ureocrinus bockschii (Geinitz), Tr... Available to Purchase

Published: 07 November 2018
Fig. 3. Oichnus simplex Bromley infesting cf. Ureocrinus bockschii (Geinitz), Trearne Quarry, north Ayrshire; Blackhall Limestone, Lower Limestone Formation, Clackmannan Group; Brigantian (Mississippian, Lower Carboniferous). Scale bars represent 5 mm. ( a ) RGM 1332301, a pair of confluent
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Drill holes attributed to octopods in fossil decapods (ichnotaxon Oichnus ovalis). A–C) A merus of the crab Platylambrus sp., Pliocene, Florida, United States, containing an octopod drill hole (UF 222610) with close-ups of the drill hole showing the morphology in plan view (B) and an angled view showing the gutter on one of the long ends (C). D–E) Drilled merus and close-up of the drill hole in the Pleistocene crab Hiplyra platycheir (MFM142517) from Japan. F–G) Drilled propodus and close-up of the drill hole in the Pleistocene crab Philyra syndactyla (MFM142515) from Japan. H–I) Drilled propodus and close-up of the drill hole in the Pleistocene crab Urnalana haematosticta (MFM142516) from Japan. J–K) Drilled propodus and close-up of the drill hole in the Pleistocene crab Paradorippe cf. P. granulata (MFM142518) from Japan. L–N) Drilled carapace and close-ups of the drill hole in the Pleistocene crab Hiplyra platycheir (MFM142518) from Japan. Scale bars: Views A, D, H, J, L  =  5.0 mm; F  =  2.5 mm; B, C, M  =  0.5 mm; E, G, K, N  =  0.25 mm; I  =  0.1 mm.

Drill holes attributed to octopods in fossil decapods (ichnotaxon Oichnus ... Available to Purchase

Published: 01 September 2013
FIGURE 3— Drill holes attributed to octopods in fossil decapods (ichnotaxon Oichnus ovalis ). A–C) A merus of the crab Platylambrus sp., Pliocene, Florida, United States, containing an octopod drill hole (UF 222610) with close-ups of the drill hole showing the morphology in plan view (B
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Possible drill holes in fossil decapods (ichnotaxon Oichnus sp.). A–B) The propodus (with hole) and dactylus of the crab Ocalina floridana from the late Eocene of the United States (Florida) (UF 17712) and a close-up of the hole. C–D) The dorsal carapace of the crab Philyra nishimotoi from the early Miocene of Japan (MFM9171) and a close-up of the hole. E–F) The dorsal carapace and a close-up of the hole in the crab Lyphira heterograna from the Holocene of Japan (MFM142510). G–I) Dorsal view (G) with a hole and ventral side (view H) of the carapace of the paratype of the crab Philyra nishimotoi (MFM9009) from the early Miocene of Japan. Close-up of the hole (view I). Scale bars: View A  =  10.0 mm; C, E, G/H  =  5.0 mm; B, D  =  1.0 mm; F, I  =  0.5 mm.

Possible drill holes in fossil decapods (ichnotaxon Oichnus sp.). A–B) Th... Available to Purchase

Published: 01 September 2013
FIGURE 5— Possible drill holes in fossil decapods (ichnotaxon Oichnus sp.). A–B) The propodus (with hole) and dactylus of the crab Ocalina floridana from the late Eocene of the United States (Florida) (UF 17712) and a close-up of the hole. C–D) The dorsal carapace of the crab Philyra
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FIGURE 1—Scanning electron micrograph of modern Oichnus ovalis drilled in a mussel (Perna perna) by Octopus vulgaris from South Africa. Scale bar = 500μm

FIGURE 1 —Scanning electron micrograph of modern Oichnus ovalis drilled i... Available to Purchase

Published: 01 June 2002
FIGURE 1 —Scanning electron micrograph of modern Oichnus ovalis drilled in a mussel ( Perna perna ) by Octopus vulgaris from South Africa. Scale bar = 500μm
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TABLE 1 —Details of the stratigraphic occurrence of Oichnus ovalis and ta... Available to Purchase

Published: 01 June 2002
TABLE 1 —Details of the stratigraphic occurrence of Oichnus ovalis and taxonomic identity of prey scallops. For details of stratigraphic relationships see Lyons (1991)
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FIGURE 4—The distribution of Oichnus ovalis in Plio-Pleistocene scallop prey (all species pooled). The position of the adductor myostracum is delineated by dashed lines. Left valve above, right valve below

FIGURE 4 —The distribution of Oichnus ovalis in Plio-Pleistocene scallop ... Available to Purchase

Published: 01 June 2002
FIGURE 4 —The distribution of Oichnus ovalis in Plio-Pleistocene scallop prey (all species pooled). The position of the adductor myostracum is delineated by dashed lines. Left valve above, right valve below
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FIGURE 5—Percentages of boring traces on bivalve shells. A) Comparison of all three atolls; N = number of valves investigated. B–D) Percentages of Oichnus isp. (mainly Oichnus paraboloides) and Entobia isp. in the lagoonal environments of the three atolls; N = number of drilled valves

FIGURE 5 —Percentages of boring traces on bivalve shells. A) Comparison of ... Available to Purchase

Published: 01 September 2008
FIGURE 5 —Percentages of boring traces on bivalve shells. A) Comparison of all three atolls; N = number of valves investigated. B–D) Percentages of Oichnus isp. (mainly Oichnus paraboloides ) and Entobia isp. in the lagoonal environments of the three atolls; N = number of drilled valves
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FIGURE 4—Boring traces. A) Traces of the boring sponge Cliona (Entobia isp.) on a shell of Tellina gouldii from sample station L7. B) Boring traces of predating gastropods of the family Muricidae (Oichnus simplex, cylindrical). C) Boring traces of predating gastropods of the family Naticidae (Oichnus paraboloides, conical)

FIGURE 4 —Boring traces. A) Traces of the boring sponge Cliona ( Entobia ... Available to Purchase

Published: 01 September 2008
FIGURE 4 —Boring traces. A) Traces of the boring sponge Cliona ( Entobia isp.) on a shell of Tellina gouldii from sample station L7. B) Boring traces of predating gastropods of the family Muricidae ( Oichnus simplex , cylindrical). C) Boring traces of predating gastropods of the family
Journal Article

Predatory Drilling Traces on Recent Foraminifera from Chandipur Coast, India Available to Purchase

Subhronil Mondal, Urbashi Sarkar
Published: 29 October 2021
Journal of Foraminiferal Research (2021) 51 (4): 286–293.
DOI: https://doi.org/10.2113/gsjfr.51.4.286
... and Triloculina sp., were identified only under the SEM and not included in the ecological analyses. Most drill holes resembled Oichnus simplex , Oichnus paraboloides , and Oichnus ovalis , and only three holes resembled Fossichnus solus . In addition, predation was strongly taxon specific; out of 14 species...
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Journal Article

Site selection of small round holes in crinoid pluricolumnals, Trearne Quarry SSSI (Mississippian, Lower Carboniferous), north Ayrshire, UK Available to Purchase

Stephen K. Donovan, Gary Hoare
Published: 07 November 2018
Scottish Journal of Geology (2019) 55 (1): 1–5.
DOI: https://doi.org/10.1144/sjg2018-010
...Fig. 2. Oichnus simplex Bromley infesting cf. Ureocrinus bockschii (Geinitz), Trearne Quarry, north Ayrshire; Blackhall Limestone, Lower Limestone Formation, Clackmannan Group; Brigantian (Mississippian, Lower Carboniferous). All scale bars represent 5 mm unless stated otherwise. ( a ) RGM...
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Journal Article

A bored cup of the Mississippian crinoid Synbathocrinus Phillips Available to Purchase

S. K. Donovan, A. Tenny
Published: 06 December 2021
Proceedings of the Yorkshire Geological Society (2022) 64 (1): pygs2021-006.
DOI: https://doi.org/10.1144/pygs2021-006
...S. K. Donovan; A. Tenny Abstract Only the second bored cup of the disparid crinoid Synbathocrinus conicus Phillips is described, infested by a pit of Oichnus paraboloides Bromley. Both bored specimens are from the Mississippian of Salthill Quarry, Clitheroe, Lancashire, UK, although the search...
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Measurements (in mm) of oval drill holes attributed to octopods (ichnotaxon... Available to Purchase

Published: 01 September 2013
TABLE 3— Measurements (in mm) of oval drill holes attributed to octopods (ichnotaxon Oichnus ovalis ) in fossil decapods.
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Measurements (in mm) of subcircular drill holes in fossil decapods (ichnota... Available to Purchase

Published: 01 September 2013
TABLE 4— Measurements (in mm) of subcircular drill holes in fossil decapods (ichnotaxa Oichnus paraboloides and O. simplex ).
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Summary of the drill holes found in fossil decapod collections by formation... Available to Purchase

Published: 01 September 2013
TABLE 1— Summary of the drill holes found in fossil decapod collections by formation (ichnotaxa Oichnus spp.); see Supplementary Data1 for full details by taxon.
Journal Article

The Ureocrinus bockschii bed of Trearne Quarry SSSI (Mississippian, Lower Carboniferous), north Ayrshire, Scotland Available to Purchase

Gary Hoare, Stephen K. Donovan
Published: 01 April 2025
Scottish Journal of Geology (2025) 61 (1): sjg2024-008.
DOI: https://doi.org/10.1144/sjg2024-008
... bed yields only rare disarticulated calyx plates of other crinoid species. Pits, Oichnus simplex Bromley, in stems are more likely to be domiciles of unmineralized infesting organisms rather than evidence for gastropod parasitism or predation. Crinoid attachment structures are rare. The associated...
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View PDF for article title, The Ureocrinus bockschii bed of Trearne Quarry SSSI (Mississippian, Lower Carboniferous), north Ayrshire, Scotland
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Summary of the drill holes found in fossil decapod collections by formation... Available to Purchase

Published: 01 September 2013
TABLE 2— Summary of the drill holes found in fossil decapod collections by formation (ichnotaxa Oichnus spp.); see Supplementary Data 1 for full details by taxon.