This dataset contains 148 occurrence records of specimens belonging to the orders Stomatopoda and Amphipoda, which are part of the Crustacea Collection of the Zoology Museum of the University of Concepcion. The specimens were collected between 1952 and 2017, primarily in Chile from the Tarapacá Region to the Magallanes Region and Chilean Antarctica, and to a lesser extent in the United States. They were collected by researchers and scientific expeditions, including the Metulia Project, CIMAR 7, CIMAR 8, CIMAR 11, Expedition Mar-Chile II, Knipovich Project. Specimens are fluid-preserved in alcohol, and each is associated with a unique catalogue number (MZUC-UCCC) and a defined storage location within the museum. This dataset includes type material (holotypes, allotypes and paratypes) of several species deposited in the collection, including Ampelisca araucana (Gallardo, 1963), Cyamus catodontis (Margolis, 1954), Osornodella gabrielae (Pérez-Schultheiss, 2013), Parhyalella penai (Pérez-Schultheiss & Crespo, 2008), and Patagongidiella wefkoi (Pérez-Schultheiss, 2013). Specimen data were initially recorded in an internal database of the museum and subsequently standardized following the Darwin Core (DwC) format. During this process, data consistency was reviewed, and when necessary, taxonomic nomenclature was updated using the World Register of Marine Species (WoRMS) “Taxon Match” tool. Geographic information was also validated to ensure that each specimen is associated with verifiable latitude and longitude coordinates. Finally, the dataset was validated using the GBIF data validator and the R package obistools prior to publication.
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World Register of Marine Species. Available from https://www.marinespecies.org at VLIZ.","identifier":"doi:10.14284/170","citationProvidedBySource":false},{"text":"Marcer A., Escobar A., Chapman A.D. and Wieczorek J.R.(2023). GeoPick: Enhancing georeferencing efficiency through best practices [web application, version 2.1.1]","identifier":"https://geopick.gbif.org","citationProvidedBySource":false},{"text":"Wieczorek C, J Wieczorek (2020) Georeferencing Calculator. http://georeferencing.org/georefcalculator/gc.html.","identifier":"https://github.com/VertNet/georefcalculator","citationProvidedBySource":false},{"text":"Rojas, R., C. Calvete, G. Otarola, D. Guerra & N. Silva. 2005. CD-ROM con Reporte de Datos del Crucero Oceanográfico CIMAR 7 Fiordos. Centro Nacional de Datos Hidrográficos y Oceanográficos de Chile. Servicio Hidrográfico y Oceanográfico de la Armada.","citationProvidedBySource":false},{"text":"Rojas, R., D. Guerra, G. Otarola & N. Silva. 2005. CD-ROM con Reporte de Datos del Crucero Oceanográfico CIMAR 8 Fiordos. Centro Nacional de Datos Hidrográficos y Oceanográficos de Chile (CENDHOC). Servicio Hidrográfico y Oceanográfico de la Armada (SHOA).","citationProvidedBySource":false},{"text":"Guerra, D. & C. Calvete. 2009. CD-ROM con Reporte de Datos del Crucero Oceanográfico CIMAR 11 Fiordos. Centro Nacional de Datos Hidrográficos y Oceanográficos de Chile. Servicio Hidrográfico y Oceanográfico de la Armada.","citationProvidedBySource":false}],"curatorialUnits":[],"taxonomicCoverages":[{"description":"Stomatopod and amphipod specimens in the Crustacea Collection comprise a total of 2 orders, 18 families, 23 genera, and 25 species. Overall, 8 specimens are identified at the genus level and 140 at the species level. Each specimen was taxonomically validated and updated in all taxonomic categories, using the World Register of Marine Species (WoRMS) Taxon Match tool. To preserve the taxonomic history of each specimen, both the original identification and the currently accepted scientific name were retained. Original scientific names were recorded in the “previousIdentifications” field.","coverages":[{"scientificName":"Caprella","rank":{"verbatim":"genus","interpreted":"GENUS"}},{"scientificName":"Hyalella","rank":{"verbatim":"genus","interpreted":"GENUS"}},{"scientificName":"Orchestia","rank":{"verbatim":"genus","interpreted":"GENUS"}},{"scientificName":"Syncyamus","rank":{"verbatim":"genus","interpreted":"GENUS"}},{"scientificName":"Ampelisca araucana","rank":{"verbatim":"species","interpreted":"SPECIES"}},{"scientificName":"Apohyale hirtipalma","rank":{"verbatim":"species","interpreted":"SPECIES"}},{"scientificName":"Cyamus boopis","rank":{"verbatim":"species","interpreted":"SPECIES"}},{"scientificName":"Cyamus catodontis","rank":{"verbatim":"species","interpreted":"SPECIES"}},{"scientificName":"Cyamus kessleri","rank":{"verbatim":"species","interpreted":"SPECIES"}},{"scientificName":"Cyamus ovalis","rank":{"verbatim":"species","interpreted":"SPECIES"}},{"scientificName":"Cyamus scammoni","rank":{"verbatim":"species","interpreted":"SPECIES"}},{"scientificName":"Gondwanorchestia scutigerula","rank":{"verbatim":"species","interpreted":"SPECIES"}},{"scientificName":"Hemisquilla ensigera","rank":{"verbatim":"species","interpreted":"SPECIES"}},{"scientificName":"Heterosquilla polydactyla","rank":{"verbatim":"species","interpreted":"SPECIES"}},{"scientificName":"Hyalella costera","rank":{"verbatim":"species","interpreted":"SPECIES"}},{"scientificName":"Hyperia curticephala","rank":{"verbatim":"species","interpreted":"SPECIES"}},{"scientificName":"Monocorophium insidiosum","rank":{"verbatim":"species","interpreted":"SPECIES"}},{"scientificName":"Odontodactylus hawaiiensis","rank":{"verbatim":"species","interpreted":"SPECIES"}},{"scientificName":"Orchestoidea tuberculata","rank":{"verbatim":"species","interpreted":"SPECIES"}},{"scientificName":"Osornodella gabrielae","rank":{"verbatim":"species","interpreted":"SPECIES"}},{"scientificName":"Parhyalella penai","rank":{"verbatim":"species","interpreted":"SPECIES"}},{"scientificName":"Patagongidiella wefkoi","rank":{"verbatim":"species","interpreted":"SPECIES"}},{"scientificName":"Phoxocephalopsis zimmeri","rank":{"verbatim":"species","interpreted":"SPECIES"}},{"scientificName":"Pseudosquillopsis lessonii","rank":{"verbatim":"species","interpreted":"SPECIES"}},{"scientificName":"Pterygosquilla armata","rank":{"verbatim":"species","interpreted":"SPECIES"}},{"scientificName":"Pterygosquilla gracilipes","rank":{"verbatim":"species","interpreted":"SPECIES"}},{"scientificName":"Squilla aculeata","rank":{"verbatim":"species","interpreted":"SPECIES"}},{"scientificName":"Transorchestia chiliensis","rank":{"verbatim":"species","interpreted":"SPECIES"}},{"scientificName":"Transorchestia gracilis","rank":{"verbatim":"species","interpreted":"SPECIES"}}]}],"geographicCoverages":[{"description":"Records of this dataset are concentrated mainly in central and southern Chile, with the highest number of occurrences from Estrecho de Magallanes, La Herradura, Los Riscos, Caleta Cocholgüe, Ñadi Pichidamas, Pisagua, Dichato and Golfo de Arauco. Additional records come from a wide range of coastal and marine localities along the Chilean coast, including fjords, channels, bays, islands, and river mouths. The dataset also includes a small number of records from the United States, particularly from Alaska (Point Barrow), California (Richmond) and San Francisco.\nRegarding georeferencing, only 57 specimens had coordinates originally provided by the collectors, as recorded on specimen labels. These coordinates were expressed in degrees, minutes, and seconds (DMS) and were converted to decimal degrees using the Canadensys coordinate conversion tool.\nThe remaining specimens only included locality descriptions. For these records, geographic coordinates were estimated based on the available information using georeferencing tools, such as GeoPick, MapTool, and the Georeferencing Calculator.","boundingBox":{"minLatitude":-55.048,"maxLatitude":71.388,"minLongitude":-156.474,"maxLongitude":-68.149,"globalCoverage":false}}],"temporalCoverages":[{"@type":"range","start":"1952-07-23T00:00:00.000+00:00","end":"2017-11-10T00:00:00.000+00:00"},{"@type":"verbatim","period":"1955- current","type":"FORMATION_PERIOD"}],"keywordCollections":[{"thesaurus":"GBIF Dataset Type Vocabulary: http://rs.gbif.org/vocabulary/gbif/dataset_type_2015-07-10.xml","keywords":["Occurrence"]},{"thesaurus":"GBIF Dataset Subtype Vocabulary: http://rs.gbif.org/vocabulary/gbif/dataset_subtype.xml","keywords":["Specimen"]},{"thesaurus":"n/a","keywords":["Crustacea","Stomatopoda","Biological collection","Museum collection","UCCC_MZUC_CRU","Chile","Occurrence","Amphipoda","Zoology Museum","Universidad de Concepción"]}],"samplingDescription":{"studyExtent":"The dataset encompasses occurrence records from multiple localities distributed across Chile, including Bahía Coliumo, Dichato, Bahía Mejillones del Sur, Canal de Chacao, Chiloé, Estrecho de Magallanes, Boca Guafo, Canal Memory, Moraleda, Caleta Cocholgue, Bahía Concepción, Isla Juan Fernandez, Quebrada Rebanal, Isla Navarino, Caleta Wulaia, La Herradura, Laraquete, Puyehue, Osorno, Puyuhuapi, Quellón, Maicolpué, Canal Moraleda, Chacabuco, Tuamapu, Desembocadura Río Biobío. Estrecho de Magallanes, Mirados Selkirk, Purranque, Isla Quiriquina, Río Gol-gol, Golfo de Arauco, Golfo de Penas, San Valentín, Isla Rocuant, Islas Salas y Gómez, Lirquén, Mejillones, Iquique, Laraquete, Cautín, Llanquihue, Chorrillo de la Piedra, Puerto Montt, Punta Carranza, Valparaíso.\n\nUnited States: San Francisco, Richmond, Alaska","sampling":"Sampling methods are documented for only five specimens and include the use of an OLTES sampler, diving, dredge, and trawl. For the remaining specimens, no information on sampling methods is available. The original sampling methods used to collect most specimens are not documented, as the records correspond to historical material incorporated into the collection over several decades through different means, including field collections and donations. Consequently, detailed information on capture techniques, sampling effort, or standardized sampling protocols is not available.","qualityControl":"Taxonomic validation was carried out by updating the taxonomy and scientific names of each specimen using the World Register of Marine Species (WoRMS) “Taxon Match” tool, along with curatorial actions that included the preparation of updated specimen labels. In addition, the condition of the specimen associated with each record was reviewed by verifying their physical presence in the collection and confirming the corresponding individual count. \nGeoreferencing information was also validated to ensure that each record was associated with geographic coordinates (latitude and longitude). For specimens lacking coordinates provided by the collectors, approximate decimal coordinates were estimated based on the available locality information using GeoPick, maptool and the Georeferencing Calculator. \nData consistency and formatting were further reviewed and standardized using OpenRefine, allowing for the detection and correction of formatting issues, inconsistencies, and duplicated values across Darwin Core fields. Finally, all records were validated using the GBIF data validator and the R package obistools to confirm that the dataset complies with the requirements of the Darwin Core standard prior to publication in OBIS and GBIF.","methodSteps":["1.\tSpecimen data were initially recorded in an internal database of the Zoology Museum of the University of Concepción. The information registered includes collection locality and geographic coordinates, sampling protocol (when available), collection date, collector and identifier names, number of individuals, and taxonomic identification with its corresponding systematic classification.\n\n2.\tDuring data entry, the consistency of the information was verified against the museum’s physical inventories (specimen labels, catalogue cards, and accession books). When necessary, taxonomic identifications were updated by using the World Register of Marine Species (WoRMS) “Taxon Match” tool. To preserve the taxonomic history of each specimen, both the original identification and the currently accepted scientific name were retained, with previous names recorded in the previousIdentifications field.\n\n3.\tGeographic information was also validated to ensure that each specimen is associated with verifiable latitude and longitude coordinates. For records lacking coordinates provided by the collectors, approximate decimal coordinates were estimated based on locality information using GeoPick, maptool and the Georeferencing Calculator. Data formatting and consistency were further reviewed and cleaned using OpenRefine. Finally, the dataset was validated using the GBIF data validator and R package obistools prior to publication."]},"countryCoverage":[],"collections":[{"name":"Colección del Phylum Crustacea","identifier":"UCCC_MZUC_CRU","parentIdentifier":"UCCC_MZUC","specimenPreservationMethod":"ALCOHOL","curatorialUnits":[]}],"dataDescriptions":[],"dataLanguage":"eng","acknowledgements":"We acknowledge the researchers who have contributed to the collection through the donation, collection, and identification of specimens, including V. A. Gallardo, J. Peréz-Schultheiss, M. A. Retamal, J. L. Banard, T. Cekalovic and E. Bay-Schmith.
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