BC Conservation Data Centre: Species Summary
Ferrissia rivularis
Creeping Ancylid
| Scientific Name: | Ferrissia rivularis (Say, 1817) | ||||||||||
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| Scientific Name Synonyms: |
Ferrissia parallelus
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| English Name: | Creeping Ancylid | ||||||||||
| Classification / Taxonomy | |||||||||||
| Scientific Name - Concept Reference: | Walther, A.C., J.B. Burch and D.Ó. Foighil. 2010. Molecular phylogenetic revision of the freshwater limpet genus Ferrissia (Planorbidae: Ancylinae) in North America yields two species: Ferrissia (Ferrissia) rivularis and Ferrissia (Kincaidilla) fragilis. Malacologia 53(1):25-45. | ||||||||||
| Classification Level: | Species | ||||||||||
| Species Group: | Invertebrate Animal | ||||||||||
| Species Code: | MO-FERRIV | ||||||||||
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| Conservation Status / Legal Designation | |||||||||||
| Global Status: | G5 (Feb 2015) | ||||||||||
| Provincial Status: | S5? (Oct 2024) | ||||||||||
| BC List: | Yellow | ||||||||||
| Provincial FRPA list: | |||||||||||
| Provincial Wildlife Act: | |||||||||||
| COSEWIC Status: | |||||||||||
| SARA Schedule: | |||||||||||
| General Status Canada: | |||||||||||
| Ecology & Life History | |||||||||||
| General Description: | |||||||||||
| Migration Characteristics: (Global / Provincial) | |||||||||||
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Nonmigrant: Local Migrant: Distant Migrant: Within Borders Migrant: |
N / N / N / na / |
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| Habitats: (Type / Subtype / Dependence) |
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| Global Habitat Comments: | This species is found attached to rocks and mussel shells in rivers and creeks, or to rocks in exposed habitats in lakes (Clarke 1981). It reaches its maximum abundance on stones in rivers, streams, and the littoral zone in lakes (Burky 1971, Keating and Prezant 1998). | ||||||||||
| Food Habits: | |||||||||||
| Global Food Habits Comments: | |||||||||||
| Global Phenology: | |||||||||||
| Provincial Phenology: (1st half of month/ 2nd half of month) |
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| Colonial Breeder: | N | ||||||||||
| Length(cm)/width(cm)/Weight(g): | / / | ||||||||||
| Elevation (m) (min / max): |
Global:
Provincial: |
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| Distribution | |||||||||||
| Endemic: | N | ||||||||||
| Global Range Comment: | It is found throughout most of North America; extending northward into the Hudson Bay lowlands and west to at least British Columbia (Prescott and Curteanu (2004); south to North Carolina and New Mexico and west to California and Oregon (Burch, 1989). It does not occur in the swampy lowlands of the southeast (Basch, 1963). | ||||||||||
| Authors / Contributors | |||||||||||
| Global Information Author: | Cordeiro, J. | ||||||||||
| Last Updated: | Oct 13, 2009 | ||||||||||
| Provincial Information Author: | |||||||||||
| Last Updated: | |||||||||||
| References and Related Literature | |||||||||||
| No references available | |||||||||||
Please visit the website Conservation Status Ranks for definitions of the data fields used in this summary report.
Suggested Citation:
B.C. Conservation Data Centre. 2009. Species Summary: Ferrissia rivularis. B.C. Minist. of Environment. Available: https://a100.gov.bc.ca/pub/eswp/ (accessed Apr 5, 2026).