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Assessment ID
220160876
Taxon name
Orexana ultima
Uploaded by
IUCN SSC Spain Species Specialist Group (EsSSG)
Taxonomic information
Scientific name
Orexana ultima
Assessed taxon level
Species
Higher level taxonomic groupings
Invertebrates
Molluscs
Kingdom
Animalia
Phylum
Class
Order
Family
Genus
Orexana
Species
ultima
Species authority
Location and scope
Scope (of the Assessment)
National
Countries included within the scope of the assessment
Spain
Does the assessment cover a marine EEZ area(s)?
Not assigned
Conservation Status
Assessed as
Least Concern
Criteria system used
IUCN

(see Assessment details)

Assessment details
Year assessed
2024
Assessors/contributors/reviewers listed
Neiber, M.T. & Groh, K.
Criteria system used
IUCN
Reference for methods given
IUCN (2001) IUCN Red List Categories and Criteria: Version 3.1. IUCN Species Survival Commission. IUCN, Gland, Switzerland and Cambridge, U.K. ii + 30pp.
Further information
Endemism (according to assessment)
Endemic to region
Yes
Habitat and systems
Ecological system type
Terrestrial
Freshwater
Marine
Publication
Global and Europe Assessment. The IUCN Red List of Threatened Species
IUCN. 2025. The IUCN Red List of Threatened Species. Version 2025-2. https://www.iucnredlist.org.
Assessment ID
220175363
Taxon name
Orculella aragonica
Uploaded by
IUCN SSC Spain Species Specialist Group (EsSSG)
Taxonomic information
Scientific name
Orculella aragonica
Assessed taxon level
Species
Higher level taxonomic groupings
Invertebrates
Molluscs
Kingdom
Animalia
Phylum
Class
Order
Family
Genus
Orculella
Species
aragonica
Species authority
Location and scope
Scope (of the Assessment)
National
Countries included within the scope of the assessment
Spain
Does the assessment cover a marine EEZ area(s)?
Not assigned
Conservation Status
Assessed as
Endangered
Criteria system used
IUCN

(see Assessment details)

Assessment details
Year assessed
2023
Assessors/contributors/reviewers listed
Gómez-Moliner, B.J., Arrébola, J.R. & Páll-Gergely, B.
Criteria system used
IUCN
Reference for methods given
IUCN (2001) IUCN Red List Categories and Criteria: Version 3.1. IUCN Species Survival Commission. IUCN, Gland, Switzerland and Cambridge, U.K. ii + 30pp.
Further information
Endemism (according to assessment)
Endemic to region
Yes
Habitat and systems
Ecological system type
Terrestrial
Freshwater
Marine
Publication
Global and Europe Assessment. The IUCN Red List of Threatened Species
IUCN. 2025. The IUCN Red List of Threatened Species. Version 2025-2. https://www.iucnredlist.org.
Assessment ID
220219772
Taxon name
Oestophorella buvinieri
Uploaded by
IUCN SSC Spain Species Specialist Group (EsSSG)
Taxonomic information
Scientific name
Oestophorella buvinieri
Assessed taxon level
Species
Higher level taxonomic groupings
Invertebrates
Molluscs
Kingdom
Animalia
Phylum
Class
Order
Family
Genus
Oestophorella
Species
buvinieri
Species authority
Location and scope
Scope (of the Assessment)
National
Countries included within the scope of the assessment
Spain
Does the assessment cover a marine EEZ area(s)?
Not assigned
Conservation Status
Assessed as
Least Concern
Criteria system used
IUCN

(see Assessment details)

Assessment details
Year assessed
2022
Assessors/contributors/reviewers listed
Gómez-Moliner, B.J.
Criteria system used
IUCN
Reference for methods given
IUCN (2001) IUCN Red List Categories and Criteria: Version 3.1. IUCN Species Survival Commission. IUCN, Gland, Switzerland and Cambridge, U.K. ii + 30pp.
Further information
Endemism (according to assessment)
Endemic to region
Yes
Habitat and systems
Ecological system type
Terrestrial
Freshwater
Marine
Publication
Global and Europe Assessment. The IUCN Red List of Threatened Species
IUCN. 2025. The IUCN Red List of Threatened Species. Version 2025-2. https://www.iucnredlist.org.
Assessment ID
215127741
Taxon name
Oestophora urbionensis
Uploaded by
IUCN SSC Spain Species Specialist Group (EsSSG)
Taxonomic information
Scientific name
Oestophora urbionensis
Assessed taxon level
Species
Higher level taxonomic groupings
Invertebrates
Molluscs
Kingdom
Animalia
Phylum
Class
Order
Family
Genus
Oestophora
Species
urbionensis
Species authority
Location and scope
Scope (of the Assessment)
National
Countries included within the scope of the assessment
Spain
Does the assessment cover a marine EEZ area(s)?
Not assigned
Conservation Status
Assessed as
Data Deficient
Criteria system used
IUCN

(see Assessment details)

Assessment details
Year assessed
2024
Assessors/contributors/reviewers listed
Martínez-Ortí, A.
Criteria system used
IUCN
Reference for methods given
IUCN (2001) IUCN Red List Categories and Criteria: Version 3.1. IUCN Species Survival Commission. IUCN, Gland, Switzerland and Cambridge, U.K. ii + 30pp.
Further information
Endemism (according to assessment)
Endemic to region
Yes
Habitat and systems
Ecological system type
Terrestrial
Freshwater
Marine
Publication
Global and Europe Assessment. The IUCN Red List of Threatened Species
IUCN. 2025. The IUCN Red List of Threatened Species. Version 2025-2. https://www.iucnredlist.org.
Assessment ID
220170696
Taxon name
Oestophora silvae
Uploaded by
IUCN SSC Spain Species Specialist Group (EsSSG)
Taxonomic information
Scientific name
Oestophora silvae
Assessed taxon level
Species
Higher level taxonomic groupings
Invertebrates
Molluscs
Kingdom
Animalia
Phylum
Class
Order
Family
Genus
Oestophora
Species
silvae
Species authority
Location and scope
Scope (of the Assessment)
National
Countries included within the scope of the assessment
Spain
Does the assessment cover a marine EEZ area(s)?
Not assigned
Conservation Status
Assessed as
Least Concern
Criteria system used
IUCN

(see Assessment details)

Assessment details
Year assessed
2022
Assessors/contributors/reviewers listed
Gómez-Moliner, B.J.
Criteria system used
IUCN
Reference for methods given
IUCN (2001) IUCN Red List Categories and Criteria: Version 3.1. IUCN Species Survival Commission. IUCN, Gland, Switzerland and Cambridge, U.K. ii + 30pp.
Further information
Endemism (according to assessment)
Endemic to region
Yes
Habitat and systems
Ecological system type
Terrestrial
Freshwater
Marine
Publication
Global and Europe Assessment. The IUCN Red List of Threatened Species
IUCN. 2025. The IUCN Red List of Threatened Species. Version 2025-2. https://www.iucnredlist.org.
Assessment ID
220231529
Taxon name
Oestophora prietoi
Uploaded by
IUCN SSC Spain Species Specialist Group (EsSSG)
Taxonomic information
Scientific name
Oestophora prietoi
Assessed taxon level
Species
Higher level taxonomic groupings
Invertebrates
Molluscs
Kingdom
Animalia
Phylum
Class
Order
Family
Genus
Oestophora
Species
prietoi
Species authority
Location and scope
Scope (of the Assessment)
National
Countries included within the scope of the assessment
Spain
Does the assessment cover a marine EEZ area(s)?
Not assigned
Conservation Status
Assessed as
Least Concern
Criteria system used
IUCN

(see Assessment details)

Assessment details
Year assessed
2024
Assessors/contributors/reviewers listed
Martínez-Ortí, A.
Criteria system used
IUCN
Reference for methods given
IUCN (2001) IUCN Red List Categories and Criteria: Version 3.1. IUCN Species Survival Commission. IUCN, Gland, Switzerland and Cambridge, U.K. ii + 30pp.
Further information
Endemism (according to assessment)
Endemic to region
Yes
Habitat and systems
Ecological system type
Terrestrial
Freshwater
Marine
Publication
Global and Europe Assessment. The IUCN Red List of Threatened Species
IUCN. 2025. The IUCN Red List of Threatened Species. Version 2025-2. https://www.iucnredlist.org.
Assessment ID
220268281
Taxon name
Oestophora ortizi
Uploaded by
IUCN SSC Spain Species Specialist Group (EsSSG)
Taxonomic information
Scientific name
Oestophora ortizi
Assessed taxon level
Species
Higher level taxonomic groupings
Invertebrates
Molluscs
Kingdom
Animalia
Phylum
Class
Order
Family
Genus
Oestophora
Species
ortizi
Species authority
Location and scope
Scope (of the Assessment)
National
Countries included within the scope of the assessment
Spain
Does the assessment cover a marine EEZ area(s)?
Not assigned
Conservation Status
Assessed as
Near Threatened
Criteria system used
IUCN

(see Assessment details)

Assessment details
Year assessed
2024
Assessors/contributors/reviewers listed
Martínez-Ortí, A.
Criteria system used
IUCN
Reference for methods given
IUCN (2001) IUCN Red List Categories and Criteria: Version 3.1. IUCN Species Survival Commission. IUCN, Gland, Switzerland and Cambridge, U.K. ii + 30pp.
Further information
Endemism (according to assessment)
Endemic to region
Yes
Habitat and systems
Ecological system type
Terrestrial
Freshwater
Marine
Publication
Global and Europe Assessment. The IUCN Red List of Threatened Species
IUCN. 2025. The IUCN Red List of Threatened Species. Version 2025-2. https://www.iucnredlist.org.
Assessment ID
220273499
Taxon name
Oestophora mariae
Uploaded by
IUCN SSC Spain Species Specialist Group (EsSSG)
Taxonomic information
Scientific name
Oestophora mariae
Assessed taxon level
Species
Higher level taxonomic groupings
Invertebrates
Molluscs
Kingdom
Animalia
Phylum
Class
Order
Family
Genus
Oestophora
Species
mariae
Species authority
Location and scope
Scope (of the Assessment)
National
Countries included within the scope of the assessment
Spain
Does the assessment cover a marine EEZ area(s)?
Not assigned
Conservation Status
Assessed as
Vulnerable
Criteria system used
IUCN

(see Assessment details)

Assessment details
Year assessed
2024
Assessors/contributors/reviewers listed
Martínez-Ortí, A.
Criteria system used
IUCN
Reference for methods given
IUCN (2001) IUCN Red List Categories and Criteria: Version 3.1. IUCN Species Survival Commission. IUCN, Gland, Switzerland and Cambridge, U.K. ii + 30pp.
Further information
Endemism (according to assessment)
Endemic to region
Yes
Habitat and systems
Ecological system type
Terrestrial
Freshwater
Marine
Publication
Global and Europe Assessment. The IUCN Red List of Threatened Species
IUCN. 2025. The IUCN Red List of Threatened Species. Version 2025-2. https://www.iucnredlist.org.
Assessment ID
220185305
Taxon name
Oestophora lusitanica
Uploaded by
IUCN SSC Spain Species Specialist Group (EsSSG)
Taxonomic information
Scientific name
Oestophora lusitanica
Assessed taxon level
Species
Higher level taxonomic groupings
Invertebrates
Molluscs
Kingdom
Animalia
Phylum
Class
Order
Family
Genus
Oestophora
Species
lusitanica
Species authority
Location and scope
Scope (of the Assessment)
Regional (multi-national)
Countries included within the scope of the assessment
Spain
Portugal
Does the assessment cover a marine EEZ area(s)?
Not assigned
Conservation Status
Assessed as
Least Concern
Criteria system used
IUCN

(see Assessment details)

Assessment details
Year assessed
2024
Assessors/contributors/reviewers listed
Gómez-Moliner, B.J.
Criteria system used
IUCN
Reference for methods given
IUCN (2001) IUCN Red List Categories and Criteria: Version 3.1. IUCN Species Survival Commission. IUCN, Gland, Switzerland and Cambridge, U.K. ii + 30pp.
Further information
Endemism (according to assessment)
Endemic to region
No
Habitat and systems
Ecological system type
Terrestrial
Freshwater
Marine
Publication
Global and Europe Assessment. The IUCN Red List of Threatened Species
IUCN. 2025. The IUCN Red List of Threatened Species. Version 2025-2. https://www.iucnredlist.org.
Assessment ID
220270318
Taxon name
Oestophora granesae
Uploaded by
IUCN SSC Spain Species Specialist Group (EsSSG)
Taxonomic information
Scientific name
Oestophora granesae
Assessed taxon level
Species
Higher level taxonomic groupings
Invertebrates
Molluscs
Kingdom
Animalia
Phylum
Class
Order
Family
Genus
Oestophora
Species
granesae
Species authority
Location and scope
Scope (of the Assessment)
National
Countries included within the scope of the assessment
Spain
Does the assessment cover a marine EEZ area(s)?
Not assigned
Conservation Status
Assessed as
Vulnerable
Criteria system used
IUCN

(see Assessment details)

Assessment details
Year assessed
2024
Assessors/contributors/reviewers listed
Martínez-Ortí, A.
Criteria system used
IUCN
Reference for methods given
IUCN (2001) IUCN Red List Categories and Criteria: Version 3.1. IUCN Species Survival Commission. IUCN, Gland, Switzerland and Cambridge, U.K. ii + 30pp.
Further information
Endemism (according to assessment)
Endemic to region
Yes
Habitat and systems
Ecological system type
Terrestrial
Freshwater
Marine
Publication
Global and Europe Assessment. The IUCN Red List of Threatened Species
IUCN. 2025. The IUCN Red List of Threatened Species. Version 2025-2. https://www.iucnredlist.org.