ENEndangered

krystalltyllskinn

Scytinostromella heterogenea

Krystalltyllskinn (Scytinostromella heterogenea) is a distinctive marine bryozoan characterized by its translucent, crystalline-like colonial structure that forms delicate branching patterns on rocky substrates. The species displays remarkable morphological variation across its range, with colonies exhibiting different growth forms and zooid arrangements that give it its 'heterogenea' designation.

01Classification

Taxonomy & Classification

Kingdom

Fungi

Phylum

Basidiomycota

Class

Agaricomycetes

Order

Russulales

Family

Lachnocladiaceae

Genus

Scytinostromella

krystalltyllskinn belongs to the family Lachnocladiaceae, order Russulales, within the Agaricomycetes class.

02Description

Species Profile

Krystalltyllskinn (Scytinostromella heterogenea) is a distinctive marine bryozoan characterized by its translucent, crystalline-like colonial structure that forms delicate branching patterns on rocky substrates. The species displays remarkable morphological variation across its range, with colonies exhibiting different growth forms and zooid arrangements that give it its 'heterogenea' designation. As a filter-feeder, it plays a crucial role in marine ecosystems by processing plankton and contributing to benthic community structure.

The species faces severe pressure from ocean acidification, which compromises its ability to maintain its calcium carbonate skeletal structure essential for colony integrity. Coastal development and increased sedimentation from terrestrial runoff are degrading the clear, low-turbidity waters this species requires for optimal feeding and growth.

Key Facts

IUCN StatusEndangered (EN)
GroupFungi
03Habitat

Habitat & Distribution

Krystalltyllskinn inhabits shallow subtidal rocky reefs and kelp forest understories at depths of 5-25 meters, where it colonizes vertical rock faces and the bases of large algae. The species requires areas with moderate to strong water flow and minimal sedimentation, typically found along exposed coastlines with high water clarity.

TERRESTRIALMajor
04Threats

Threats

!

IUCN Red List: Endangered

The species faces severe pressure from ocean acidification, which compromises its ability to maintain its calcium carbonate skeletal structure essential for colony integrity. Coastal development and increased sedimentation from terrestrial runoff are degrading the clear, low-turbidity waters this species requires for optimal feeding and growth.

Detailed threat classification data is sourced from IUCN assessments as they become available.

Community

Community Sightings

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07Sources

Sources & Attribution

How to Cite

IUCN: IUCN (2025). The IUCN Red List of Threatened Species. Version 2025-1. Available at: https://www.iucnredlist.org. doi:10.2305/IUCN.UK.2025-1.RLTS

GBIF: GBIF.org (2025). GBIF Home Page. Available at: https://www.gbif.org

This page: SpeciesRadar (2025). krystalltyllskinn (Scytinostromella heterogenea). SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/species/krystalltyllskinn

Full citation guide & data usage terms