Diversity, Biogeography, Fossil Record and Evolution of Bivalvia

A special issue of Diversity (ISSN 1424-2818). This special issue belongs to the section "Phylogeny and Evolution".

Deadline for manuscript submissions: 15 July 2025 | Viewed by 900

Special Issue Editors


E-Mail Website1 Website2
Guest Editor
Faculty of Science, University of Zagreb, Horvatovac 102b, 10000 Zagreb, Croatia
Interests: paleontology; paleoenvironment; paleobiogeography; biostratigraphy; biotic crises; extinctions; evolution
Special Issues, Collections and Topics in MDPI journals

E-Mail Website1 Website2
Guest Editor
Croatian Natural History Museum, Demetrova 1, 10000 Zagreb, Croatia
Interests: fossil invertebrates; paleoecology; paleobiogeography; paleomigrations; biostratigraphy; biotic crises; biostatistics

Special Issue Information

Dear Colleagues,

Bivalves have inhabited the Earth for over 500 million years, since the Early Cambrian. They have the ability to create and modify habitats for other organisms, affect food webs, and influence biodiversity in aquatic ecosystems. Since the early phases of human evolution, bivalves have been used for food, jewelry, interior decorating, and even money. It is no wonder that some of the bivalve groups today are threatened or extinct. Therefore, it is of great interest to improve our knowledge of their taxonomy, biodiversity, and ecology.

Due to their mineral shells, bivalves have been commonly preserved as fossils, providing us with an insight into their long and interesting evolutionary history. By studying bivalve extinctions in the past and the cases of bivalve survivors, we may learn how to cope with the challenges of the modern biotic crisis.

This Special Issue gives us a chance to look at these important aquatic organisms from all sides. Therefore, we cordially invite you to contribute to this Special Issue, focusing on any of the abovementioned topics, from taxonomic, ecological, and conservation aspects to paleontological and palaeoecological themes. We aim to not only present state-of-the-art results but also provide synergies in order to better understand and protect this diverse group of mollusks.

Prof. Dr. Jasenka Sremac
Dr. Marija Bošnjak
Guest Editors

Manuscript Submission Information

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Keywords

  • bivalves
  • biodiversity
  • taxonomy
  • habitats
  • symbionts
  • evolution
  • bivalve extinctions
  • survivors
  • invasive taxa

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Published Papers (1 paper)

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Research

9 pages, 1949 KiB  
Article
Species-Specific Mytilus Markers or Hybridization Evidence?
by Hardy S. Guzmán, Jorge E. Toro, Pablo A. Oyarzún, Alex Illesca, Xiomara Ávila and Jonathan P. A. Gardner
Diversity 2025, 17(2), 82; https://doi.org/10.3390/d17020082 - 23 Jan 2025
Viewed by 648
Abstract
The development of molecular methods to detect Mytilus hybrids is important for food authentication, conservation, and the sustainable management of shellfish aquaculture as accurate food labeling is a legal requirement, and because introgression may promote undesirable phenotypes or displace native species. However, nuclear [...] Read more.
The development of molecular methods to detect Mytilus hybrids is important for food authentication, conservation, and the sustainable management of shellfish aquaculture as accurate food labeling is a legal requirement, and because introgression may promote undesirable phenotypes or displace native species. However, nuclear and mitochondrial markers can segregate independently, compromising diagnostic congruence between these markers. This study aimed to detect hybrids in the Mytilus edulis species complex using a multi-locus approach, including RFLP-PCR assays for Me 15/16, 16S rRNA, and COIxba, in samples collected from five continents. We used a model-based Bayesian method for hybrid and pure species detection to analyze the diagnostic potential of nuclear and mitochondrial markers in mussel samples from South America, North America, Africa, Oceania, and Europe. Our results showed that the combined use of markers can differentiate between M. trossulus, M. edulis, M. galloprovincialis, and M. chilensis. The combined use of nuclear and mitochondrial molecular markers also improves hybrid detection and allows us to identify introgression using Bayesian analysis. Full article
(This article belongs to the Special Issue Diversity, Biogeography, Fossil Record and Evolution of Bivalvia)
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