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Eunema

Gastropoda - Murchisoniina - Lophospiridae

Taxonomy
Eunema was named by Salter (1859) [Sepkoski's age data: O Cara-l O Ashg-m]. It is not extant. Its type is Eunema strigillatum.

It was reranked as Turbo (Eunema) by Kayser (1878); it was reranked as Trochonema (Eunema) by Knight et al. (1960).

It was assigned to Turbo by Kayser (1878); to Trochonematidae by Ulrich and Scofield (1897); to Trochonema by Knight et al. (1960); to Lophospiridae by Wagner (1999); to Archaeogastropoda by Sepkoski (2002); and to Gyronematinae by Wagner (2023).

Synonymy list
YearName and author
1859Eunema Salter
1878Turbo (Eunema) Kayser
1897Eunema Ulrich and Scofield
1960Trochonema (Eunema) Knight et al. p. 225
1999Eunema Wagner
2002Eunema Sepkoski
2023Eunema Wagner p. G311

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classGastropoda
subclassOrthogastropoda
orderMurchisoniina
superfamilyTrochonematoidea()
familyLophospiridae
subfamilyGyronematinae
genusEunema

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

G. †Eunema Salter 1859
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†Eunema badiotica Kittl 1891
†Eunema centralis Ulrich and Scofield 1897
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Invalid names: Lophospira delicata Tofel and Bretsky 1987 [synonym]
†Eunema concinnula Ulrich and Scofield 1897
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Invalid names: Lophospira fillmorensis Ulrich and Scofield 1897 [synonym]
†Eunema erigone Billings 1865
†Eunema fasciata Savage 1913
†Eunema fatua Hall 1868
†Eunema helicteres Salter 1859
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Invalid names: Eunema sexlineata Shrock and Raasch 1937 [synonym], Eunema wisconsinensis Ulrich and Scofield 1897 [synonym]
†Eunema quadrisulcata Ulrich and Scofield 1897
†Eunema salopiense Pitcher 1939
†Eunema strigillatum Salter 1859
†Eunema tietzei Kittl 1894
†Eunema trilineata Hall 1868
Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
shell height27.676.209.507.852.33

Composition: aragoniteo
Entire body: yesg
Adult length: 10 to < 100g
Adult width: 10 to < 100g
Adult height: 10 to < 100g
Folds: noneg
Ribbing: minorg
Spines: noneg
Internal reinforcement: noneg
Environment: coastal, marineo
Locomotion: slow-movingo
Life habit: epifaunalo
Diet: detritivoreo
Vision: limitedo
Comments: BODY SIZE: Data from Knight et al. (1960).g
Created: 2009-06-06 07:44:55
Modified: 2009-06-06 09:44:55
Source: g = genus, o = order
References: Bambach et al. 2007, Hendy 2009

Age range: base of the Chazyan to the top of the Julian or 471.30000 to 233.60000 Ma

Collections (76 total)


Time interval Ma Country or state Original ID and collection number
Chazyan471.3 - 457.3USA (New York) E. sp. (56212)
Turinian457.3 - 453.8Canada (Quebec) Lophospira bicincta (174157)
Turinian457.3 - 453.8USA (Missouri) Lophospira fillmorensis (175724)
Turinian457.3 - 453.8USA (Wisconsin) Lophospira helicteres, Lophospira bicincta (89018)
Turinian457.3 - 453.8USA (Kentucky) E. centralis (99339)
Turinian457.3 - 453.8Canada (Ontario) E. centralis (184671) E. erigone (185462) Lophospira bicincta (185429 185476)
Turinian457.3 - 453.8USA (Minnesota) Lophospira helicteres, Lophospira bicincta (194139)
Turinian457.3 - 453.8USA (Indiana) Lophospira helicteres (194135) Lophospira sexlineata (104277)
Ashbyan457.3 - 449.6USA (Tennessee) Lophospira centralis, Lophospira bicincta (5327)
Blackriveran457.3 - 449.6Canada (Ontario) E. centralis (156592) Lophospira concinnula (26172) Lophospira delicata (100354)
Blackriveran457.3 - 449.6USA (Illinois) Lophospira delicata (155374)
Blackriveran457.3 - 449.6Canada (Quebec) Lophospira helicteres, E. strigillatum (63816)
Blackriveran457.3 - 449.6USA (Illinois, Iowa) Lophospira helicteres, Lophospira bicincta (23614 23615 23617 23619 23620)
Blackriveran457.3 - 449.6USA (Tennessee) Lophospira bicincta (5328 5329 5331)
Blackriveran - Rocklandian457.3 - 449.6USA (Minnesota) Lophospira helicteres, Lophospira bicincta (23557)
Blackriveran - Rocklandian457.3 - 449.6USA (Illinois, Iowa) Lophospira helicteres, Lophospira concinnula, Lophospira bicincta (23621)
Kirkfieldian457.3 - 449.6USA (Illinois, Iowa) Lophospira concinnula, Lophospira bicincta (23623 23644)
Rocklandian457.3 - 449.6USA (Kentucky) E. helicteres (87737)
Rocklandian457.3 - 449.6USA (Tennessee) Lophospira bicincta (5333)
Rocklandian457.3 - 449.6Canada (Quebec) Lophospira helicteres, E. strigillatum, E. centralis (154703)
Rocklandian - Kirkfieldian457.3 - 449.6USA (Illinois, Iowa) Lophospira concinnula, Lophospira bicincta (23622)
Rocklandian - Kirkfieldian457.3 - 449.6USA (Minnesota) Lophospira helicteres, Lophospira concinnula, Lophospira bicincta (23558)
Shermanian457.3 - 449.6USA (Illinois, Iowa) Lophospira concinnula, Lophospira bicincta (23651 23653 23656) Lophospira concinnula, Lophospira fillmorensis, Lophospira bicincta (23659) Lophospira fillmorensis, Lophospira bicincta (23664 23667 23668 23670)
Shermanian457.3 - 449.6USA (Minnesota) Lophospira concinnula (23579) Lophospira concinnula, Lophospira fillmorensis, Lophospira bicincta (23584)
Chatfieldian453.8 - 451.0USA (Minnesota) Lophospira fillmorensis (194137)
Katian452.8 - 445.2USA (Kentucky) E. centralis (100858)
Edenian451.0 - 450.2USA (Minnesota) Lophospira fillmorensis, Lophospira bicincta (23588) Lophospira quadrisulcata (23597)
Edenian451.0 - 450.2USA (Illinois, Iowa) Lophospira fillmorensis, Lophospira bicincta (23678) Lophospira quadrisulcata (23680)
Edenian - Maysvillian451.0 - 449.6USA (Minnesota) Lophospira quadrisulcata (23603)
Edenian - Maysvillian451.0 - 449.6USA (Illinois, Iowa) Lophospira quadrisulcata (23682)
Maysvillian450.2 - 449.6USA (Minnesota) Lophospira quadrisulcata (23607)
Maysvillian450.2 - 449.6USA (Illinois, Iowa) Lophospira quadrisulcata (23684)
Richmondian449.6 - 445.5USA (Alaska) Loxoplocus serrulata (49351) Trochonema sp. A, Trochonema sp. B (49341)
Richmondian449.6 - 445.5USA (Minnesota) Lophospira centralis (155710)
Richmondian449.6 - 445.5USA (Iowa) Lophospira quadrisulcata (172795)
Gamachian445.5 - 443.1USA (Illinois) Lophospira fasciata (173287)
Telychian438.6 - 432.9China (Guizhou) E. sp. (56659)
Sheinwoodian432.9 - 430.6USA (Wisconsin) E. fatua (13069 13075)
Wenlock - Silurian432.9 - 419.62USA (Wisconsin) E. fatua (13107)
Gorstian426.7 - 425.0Czechia (Středočeský (Central Bohemian Region)) Trochonema sp. (106004)
Ludlow426.7 - 422.7USA (California) E. strigillatum (229624 229625)
Emsian410.62 - 393.47Australia (Queensland) Trochonema sp. (39873)
Early/Lower Givetian387.95 - 385.9Germany E. sp. (60145)
Givetian387.95 - 382.31Canada (Manitoba) E. subspinosum (228424)
Late/Upper Givetian383.4 - 382.31Germany E. sp. (60183)
Julian237.0 - 233.6Italy E. badiotica (69669 144631) E. badiotica, E. tietzei (144633) E. tietzei (69660)
Julian237.0 - 233.6Italy (Belluno) E. badioticum (207476)