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Elliptio mcmichaeli

(Fluted Elephantear)

Overview

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Near Threatened

Threat status

Interesting Facts

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Common Names

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Common Names in English:

Fluted Elephantear

Description

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Habitat

Ecology: This species inhabits sandy clay in moderate current (Heard 1979), and main river channels with moderate currents in substrates ranging from consolidated sand and mud to coarse , shifting sands (Blalock et al. 1998). Juveniles may require sand and silt-free riffles. Johnson's (1970) records of Elliptio fraterna from the main channel of rivers and tributaries in swift currents over sandy substrates are probably based on Elliptio mcmichaeli.

Despite its limited range , it appears to be tolerant of moderate siltation and other low impact threats (Butler pers. comm. 2000).[1].

List of Habitats :

Taxonomy

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Synonyms

Elliptio macmichaeli Clench and Turner

Notes

Name Status: Accepted Name .

Last scrutiny: 17-Oct-2001

There is some uncertainty regarding the range and validity of this species (Brim Box and Williams 2000). Johnson (1970) did not recognize E. mcmichaeli and considered it a synonym of E. fraterna. Based on anatomical differences in the mantle margins , Fuller (1974) recognized both species. Brim Box and Williams (2000) agreed with Fuller (1974) and consider E. fraterna to be a species distinct from E. mcmichaeli, based on these anatomical differences as well as zoogeographical patterns . Records for E. fraterna from the Choctawhatchee River by Johnson (1970) represent this species.

A list of synonyms for this species can be found on The MUSSEL project web site (Graf and Cummings 2011).[1].

Similar Species

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Members of the genus Elliptio

ZipcodeZoo has pages for 44 species and subspecies in this genus:

E. ahenea (Southern Lance) · E. angustata (Carolina Lance) · E. arca (Alabama Spike) · E. arctata (Delicate Spike) · E. buckleyi (Florida Shiny Spike) · E. chipolaensis (Chipola Slabshell) · E. cistellaeformis (Box Spike) · E. complanata (Eastern Elliptio) · E. complanata complanata (Eastern Elliptio) · E. congaraea (Carolina Slabshell) · E. crassidens (Elephantear Mussel) · E. crassidens crassidens (Elephant Ear) · E. cylindracea (Sad Elliptio) · E. dariensis (Georgia Elephant-Ear) · E. dilatata (Spike) · E. downiei (Satilla Elephant-Ear) · E. errans (Oval Elliptio) · E. fisheriana (Northern Lance) · E. folliculata (Pod Lance) · E. fraterna (Brother Spike) · E. fraternum (Brother Spike) · E. hepatica (Brown Elliptio) · E. hopetonensis (Altamaha Slabshell) · E. icterina (Variable Spike) · E. jayensis (Flat Spike) · E. judithae (Plicate Spike) · E. judithae judithae (Plicate Spike) · E. lanceolata (Yellow Lance) · E. lugubris (Sad Elliptio) · E. macmichaeli (Fluted Elephant-Ear) · E. marsupiobesa (Cape Fear Spike) · E. mcmichaeli (Fluted Elephantear) · E. monroensis (St Johns Elephantear) · E. nigella (Recovery Pearly Mussel) · E. producta (Atlantic Spike) · E. purpurella (Inflated Spike) · E. pusillus (Kalimantan Ilisha) · E. raveneli (Carolina Spike) · E. roanokensis (Roanoke Slabshell) · E. shepardiana (Altamaha Lance) · E. spinosa (Altamaha Spinymussel) · E. steinstansana (Tar River Spinymussel) · E. waccamawensis (Waccamaw Spike) · E. waltoni (Florida Lance)

More Info

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Further Reading

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Notes

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Contributors

Data Sources

Accessed through GBIF Data Portal February 02, 2008:

Identifiers

Footnotes

  1. Cummings, K. & Cordeiro, J. 2011. Elliptio mcmichaeli. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.2. <www.iucnredlist.org>. Downloaded on 31 January 2012. [back]
Last Revised: 7/14/2012