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Diversity of benthic marine mollusks of the Strait of Magellan, Chile ( Polyplacophora , Gastropoda , Bivalvia ): a historical review of natural history

Authors
  • Aldea, Cristian
  • Novoa, Leslie
  • Alcaino, Samuel
  • Rosenfeld, Sebastián
Type
Published Article
Journal
ZooKeys
Publisher
Pensoft Publishers
Publication Date
Aug 24, 2020
Volume
963
Pages
1–36
Identifiers
DOI: 10.3897/zookeys.963.52234
PMID: 32922129
PMCID: PMC7458949
Source
PubMed Central
Keywords
License
Unknown
External links

Abstract

An increase in richness of benthic marine mollusks towards high latitudes has been described on the Pacific coast of Chile in recent decades. This considerable increase in diversity occurs specifically at the beginning of the Magellanic Biogeographic Province. Within this province lies the Strait of Magellan, considered the most important channel because it connects the South Pacific and Atlantic Oceans. These characteristics make it an interesting area for marine research; thus, the Strait of Magellan has historically been the area with the greatest research effort within the province. However, despite efforts there is no comprehensive and updated list of the diversity of mollusks within the Strait of Magellan up to now. This study consisted of a complete bibliographic review of all available literature that included samples of mollusks in the Strait of Magellan. More than 300 articles were reviewed, covering 200 years of scientific knowledge. There were 2579 records belonging to 412 taxa, of which 347 are valid species. Of the total valid species, 44 (~13%) are considered of doubtful presence in the Strait. This work increases the known richness of mollusks of the Strait of Magellan by 228%; it is also the first report that integrates all available diversity studies of the three most speciose classes of benthic mollusks ( Gastropoda , Bivalvia and Polyplacophora ) from the Strait of Magellan.

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