Cyrenoidea: A Comprehensive Study of Freshwater Bivalves
Exploring the classification, diversity, and ecological significance of this fascinating superfamily of aquatic mollusks.
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Overview
Defining Cyrenoidea
Cyrenoidea represents a significant superfamily within the order Venerida. This taxonomic grouping encompasses a diverse array of bivalve mollusks primarily inhabiting freshwater ecosystems. Their ecological role and evolutionary history make them a subject of considerable interest in malacology and aquatic biology.
Habitat and Distribution
While predominantly known for their presence in freshwater environments, species within the Cyrenoidea superfamily exhibit remarkable adaptability. They can also be found in brackish water conditions and, in some instances, even marine settings, showcasing a broad ecological tolerance across various aquatic biomes.
Scientific Significance
The study of Cyrenoidea contributes to our understanding of bivalve evolution, adaptation to different salinity levels, and the biodiversity of aquatic invertebrates. Their classification and phylogenetic relationships are subjects of ongoing research, refining our knowledge of molluscan diversity.
Species and Environments
Diversity in Numbers
The Cyrenoidea superfamily comprises an estimated 60 or more distinct living species. This number reflects ongoing taxonomic research and potential discoveries, highlighting the richness of this group within the broader Mollusca phylum.
Aquatic Niches
These bivalves occupy a range of aquatic habitats. Their presence spans from the clear waters of freshwater rivers and lakes to the transitional zones of brackish estuaries and, occasionally, the more challenging conditions of marine environments. This adaptability is a key characteristic of the superfamily.
Taxonomic Classification
Hierarchical Placement
Cyrenoidea is formally classified within the biological hierarchy as follows:
- Kingdom: Animalia
- Phylum: Mollusca
- Class: Bivalvia
- Order: Venerida
- Superfamily: Cyrenoidea (J. E. Gray, 1840)
This placement underscores their evolutionary lineage and relationship to other shelled marine and freshwater invertebrates.
Recognized Families
Core Lineages
The superfamily Cyrenoidea is currently recognized to contain the following three distinct families:
- Cyrenidae (J. E. Gray, 1840)
- Cyrenoididae (H. Adams & A. Adams, 1857)
- Glauconomidae (J. E. Gray, 1853)
Each family represents a unique evolutionary branch within the superfamily, characterized by specific morphological and genetic traits.
Taxon Identifiers
Unique Identifiers
These unique identifiers are crucial for database cross-referencing and scientific research, ensuring precise identification across various biological information systems:
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References
References
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Disclaimer
Important Notice
This page was generated by an Artificial Intelligence and is intended for informational and educational purposes only. The content is based on a snapshot of publicly available data from Wikipedia and may not be entirely accurate, complete, or up-to-date.
This is not expert biological advice. The information provided on this website is not a substitute for professional taxonomic, ecological, or biological consultation. Always refer to authoritative scientific literature and consult with qualified experts for specific research needs or identification verification.
The creators of this page are not responsible for any errors or omissions, or for any actions taken based on the information provided herein.