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Salamon MA, Radwańska U, Paszcza K, Krajewski M, Brachaniec T, Niedźwiedzki R, Gorzelak P. The latest shallow-sea isocrinids from the Miocene of Paratethys and implications to the Mesozoic marine revolution. Sci Rep 2024; 14:17932. [PMID: 39095508 PMCID: PMC11297034 DOI: 10.1038/s41598-024-67687-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2024] [Accepted: 07/15/2024] [Indexed: 08/04/2024] Open
Abstract
The predation-driven Mesozoic marine revolution (MMR) is believed to have induced a dramatic change in the bathymetric distribution of many shallow marine invertebrates since the late Mesozoic. For instance, stalked crinoids - isocrinids (Isocrinida) have undergone a striking decline in shallow-sea environments and today they are restricted to deep-sea settings (below 100 m depth). However, the timing and synchronicity of this shift are a matter of debate. A delayed onset of MMR and/or shifts to a retrograde, low-predation community structure during the Paleogene in the Southern Ocean were invoked. In particular, recent data from the Southern Hemisphere suggest that the environmental restriction of isocrinids to the deep-sea settings may have occurred at the end of the Eocene around Antarctica and Australia, and later in the early Miocene in New Zealand. Here, we report the anomalous occurrence of the isocrinids in shallow nearshore marine facies from the middle Miocene of Poland (Northern Hemisphere, Central Paratethys). Thus, globally, this is the youngest record of shallow-sea stalked crinoids. This finding suggests that some relict stalked crinoids may have been able to live in the shallow-water environments by the middle Miocene, and further confirms that the depth restriction of isocrinids to offshore environments was not synchronous on a global scale.
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Affiliation(s)
- Mariusz A Salamon
- Faculty of Earth Sciences, Laboratory of Palaeontology and Stratigraphy, University of Silesia in Katowice, Będzińska 60, 41-200, Sosnowiec, Poland
| | - Urszula Radwańska
- Faculty of Geology, Department of Historical, Regional Geology and Paleontology, University of Warsaw, Żwirki i Wigury93, 02-089, Warszawa, Poland
| | - Karolina Paszcza
- Faculty of Earth Sciences, Laboratory of Palaeontology and Stratigraphy, University of Silesia in Katowice, Będzińska 60, 41-200, Sosnowiec, Poland
- Doctoral School at the University of Silesia in Katowice, Bankowa 14, 40-007, Katowice, Poland
| | - Marcin Krajewski
- Faculty of Geology, Geophysics and Environmental Protection, AGH University of Science and Technology, al. A. Mickiewicza 30, 30-059, Kraków, Poland
| | - Tomasz Brachaniec
- Faculty of Earth Sciences, Laboratory of Palaeontology and Stratigraphy, University of Silesia in Katowice, Będzińska 60, 41-200, Sosnowiec, Poland
| | - Robert Niedźwiedzki
- Faculty of Earth Sciences and Environmental Management, Institute of Geological Sciences, Wrocław University, Cybulskiego 30, 50-205, Wrocław, Poland
| | - Przemysław Gorzelak
- Institute of Paleobiology, Polish Academy of Sciences, Twarda 51/55, 00-818, Warsaw, Poland.
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Jobson S, Hamel JF, Mercier A. Shake it off: exploring drivers and outcomes of autotomy in marine invertebrates. Biol Lett 2024; 20:20240015. [PMID: 38807548 PMCID: PMC11285939 DOI: 10.1098/rsbl.2024.0015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Revised: 03/13/2024] [Accepted: 04/03/2024] [Indexed: 05/30/2024] Open
Abstract
Autotomy refers to self-amputation where the loss of a limb or organ is generally said to be (1) in response to stressful external stimuli; (2) voluntary and nervously mediated; (3) supported by adaptive features that increase efficiency and simultaneously mediate the cost; and (4) morphologically delineated by a predictable breakage plane. It is estimated that this phenomenon has evolved independently nine different times across the animal kingdom, appearing in many different taxa, including vertebrate and invertebrate as well as aquatic and terrestrial animals. Marine invertebrates use this behaviour in a diversity of manners that have yet to be globally reviewed and critically examined. Here, published data from marine invertebrate taxa were used to explore instances of injury as an evolutionary driver of autotomy. Findings suggest that phyla (e.g. Echinodermata and Arthropoda) possibly experiencing high rates of injury (tissue damage or loss) are more likely to be able to perform autotomy. Additionally, this review looks at various morphological, physiological and environmental conditions that have either driven the evolution or maintained the behaviour of autotomy in marine invertebrates. Finally, the use of autotomic abilities in the development of more sustainable and less ecologically invasive fisheries is explored.
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Affiliation(s)
- Sara Jobson
- Department of Ocean Sciences, Memorial University, St John’s (Newfoundland and Labrador), Canada
| | - Jean-François Hamel
- Society for the Exploration and Valuing of the Environment, St Philips (Newfoundland and Labrador), Canada
| | - Annie Mercier
- Department of Ocean Sciences, Memorial University, St John’s (Newfoundland and Labrador), Canada
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Salamon MA, Jain S, Brachaniec T, Duda P, Płachno BJ, Gorzelak P. Ausichicrinites zelenskyyi gen. et sp. nov., a first nearly complete feather star (Crinoidea) from the Upper Jurassic of Africa. ROYAL SOCIETY OPEN SCIENCE 2022; 9:220345. [PMID: 35875469 PMCID: PMC9297031 DOI: 10.1098/rsos.220345] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Accepted: 06/27/2022] [Indexed: 06/15/2023]
Abstract
Fossil comatulids, referred to as feather stars, are mostly known from highly disarticulated specimens. A single isolated element (centrodorsal) has been the basis for taxonomic description of a vast majority of fossil comatulids. Here, we report a nearly complete, and thus extremely rare, comatulid from the Upper Jurassic (Tithonian) of the Blue Nile Basin in central western Ethiopia that provides a unique insight into the morphology of comatulid arms and cirri. It is assigned to Ausichicrinites zelenskyyi gen. et sp. nov. and is the first Jurassic comatulid from the African continent. The new taxon shows some similarities with representatives of the Mesozoic Solanocrinitidae but also has close resemblance with the modern family Zygometridae, exclusively known from the Holocene of western Pacific and eastern Indian Oceans. This morphologic similarity is considered to be due to convergence. The first example of pinnule regeneration in a fossil feather star is reported, which reinforces the hypothesis about the importance of predation in the evolution of these crinoids.
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Affiliation(s)
- Mariusz A. Salamon
- Institute of Earth Sciences, University of Silesia in Katowice, Będzińska Street 60, 41-200 Sosnowiec, Poland
| | - Sreepat Jain
- Department of Geology, School of Applied Natural Science, Adama Science and Technology University, 1888 Adama, Oromia, Ethiopia
| | - Tomasz Brachaniec
- Institute of Earth Sciences, University of Silesia in Katowice, Będzińska Street 60, 41-200 Sosnowiec, Poland
| | - Piotr Duda
- Faculty of Science and Technology, University of Silesia in Katowice, Będzińska Street 39, 41-200 Sosnowiec, Poland
| | - Bartosz J. Płachno
- Institute of Botany, Faculty of Biology, Department of Plant Cytology and Embriology, Jagiellonian University in Kraków, Gronostajowa Street 9, 30-387 Kraków, Poland
| | - Przemysław Gorzelak
- Institute of Paleobiology, Polish Academy of Sciences, Twarda 51/55, 00-818 Warszawa, Poland
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Hamasaki K, Wachi Y, Dan S. Post-autotomy limb movement in the porcellanid crab Petrolisthes japonicus. ETHOL ECOL EVOL 2022. [DOI: 10.1080/03949370.2021.1936653] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Katsuyuki Hamasaki
- Department of Marine Biosciences, Tokyo University of Marine Science and Technology, Konan, Minato, Tokyo 108-8477, Japan
| | - Yuuki Wachi
- Department of Marine Biosciences, Tokyo University of Marine Science and Technology, Konan, Minato, Tokyo 108-8477, Japan
| | - Shigeki Dan
- Department of Marine Biosciences, Tokyo University of Marine Science and Technology, Konan, Minato, Tokyo 108-8477, Japan
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Bromalites from the Upper Triassic Polzberg section (Austria); insights into trophic interactions and food chains of the Polzberg palaeobiota. Sci Rep 2020; 10:20545. [PMID: 33239675 PMCID: PMC7689505 DOI: 10.1038/s41598-020-77017-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Accepted: 11/02/2020] [Indexed: 11/09/2022] Open
Abstract
A rich assemblage of various types of bromalites from the lower Carnian "Konservat-Lagerstätte" from the Reingraben Shales in Polzberg (Northern Calcareous Alps, Lower Austria) is described for the first time in detail. They comprise large regurgitalites consisting of numerous entire shells of ammonoid Austrotrachyceras or their fragments and rare teuthid arm hooks, and buccal cartilage of Phragmoteuthis. Small coprolites composed mainly of fish remains were also found. The size, shape and co-occurrence with vertebrate skeletal remains imply that regurgitalites were likely produced by large durophagous fish (most likely by cartilaginous fish Acrodus). Coprolites, in turn, were likely produced by medium-sized piscivorous actinopterygians. Our findings are consistent with other lines of evidence suggesting that durophagous predation has been intense during the Triassic and that the so-called Mesozoic marine revolution has already started in the early Mesozoic.
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