PBDB Taxon

Basic info	Taxonomic history	Classification	Included Taxa
Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Leptodesma (Leptodesma)

Bivalvia - Ostreida - Pterineidae

Taxonomy

Leptodesma (Leptodesma) was named by Hall (1883). Its type is Leptodesma potens.

It was assigned to Leptodesma by Hall (1883), Amler (1992) and Amler (2010).

Subtaxa

Leptodesma (Leptodesma) adaroi, Leptodesma (Leptodesma) anatinum, Leptodesma (Leptodesma) cultellata, Leptodesma (Leptodesma) falcata, Leptodesma (Leptodesma) matheri, Leptodesma (Leptodesma) occidentale, Leptodesma (Leptodesma) potens, Leptodesma (Leptodesma) rhysema, Leptodesma potens (type species)

Species lacking formal opinion data

Leptodesma carens, Leptodesma cultellatum, Leptodesma eberti, Leptodesma ehlersi, Leptodesma lamellosa, Leptodesma longa, Leptodesma lunulata, Leptodesma lunulata, Leptodesma pojetai, Leptodesma pseudolaevis, Leptodesma pteriformis, Leptodesma stenzeli

Synonymy list

Year	Name and author
1883	Leptodesma (Leptodesma) Hall
1992	Leptodesma (Leptodesma) Amler p. 413
2010	Leptodesma (Leptodesma) Amler p. 17

Is something missing? Join the Paleobiology Database and enter the data

Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Protostomia
—	Spiralia
superphylum	Lophotrochozoa
phylum	Mollusca
class	Bivalvia
—	Eubivalvia
subclass	Autobranchia	(Groblen 1894)

Rank	Name	Author
infraclass	Pteriomorphia	(Beurlen 1944)
—	Ostreomorphi	Ferussac 1822
—	Ostreioni	Ferussac 1822
—	Ostreata	Ferussac 1822
superorder	Ostreiformii	Ferussac 1822
order	Ostreida	(Fërussac 1822)
suborder	Malleidina	Gray 1854
family	Pterineidae
genus	Leptodesma	Hall 1883
subgenus	Leptodesma	Hall 1883

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.

Subg. †Leptodesma (Leptodesma) Hall 1883

show all | hide all

†Leptodesma (Leptodesma) adaroi Amler 2010

†Leptodesma (Leptodesma) anatinum Whidborne 1897

†Leptodesma (Leptodesma) cultellata Whidborne 1897

†Leptodesma (Leptodesma) falcata Boyd and Newell 2001

†Leptodesma (Leptodesma) matheri Elias 1957

†Leptodesma (Leptodesma) occidentale Girty 1927

†Leptodesma (Leptodesma) potens Hall 1883

†Leptodesma (Leptodesma) rhysema Hoare 2007

†Leptodesma potens Hall 1883

Diagnosis

No diagnoses are available

Measurements

part	N	mean	minimum	maximum	median	s.d.
height	1	18.2	-	-	-	-
shell height	1	25.0	-	-	-	-
valve height	33	7.75	3.00	18.2	8.40	3.58

Composition:

aragoniteg

Composition 2:

low Mg calciteg

Entire body:

yesg

Adult length:

10 to < 100g

Adult width:

10 to < 100g

Adult height:

10 to < 100g

Thickness:

intermediateg

Folds:

minorg

Ribbing:

noneg

Spines:

noneg

Internal reinforcement:

noneg

Environment:

marine, brackisho

Locomotion:

stationaryf

Attached:

yesf

Life habit:

epifaunalf

Diet:

suspension feederf

Vision:

blindc

Created:

2007-11-26 07:57:22

Modified:

2009-06-05 15:47:42

Source: g = genus, f = family, o = order, c = class

References: Aberhan et al. 2004, Hendy 2009, Kiessling 2004

Age range: base of the Telychian to the top of the Wuchiapingian or 438.50000 to 254.17000 Ma

Collections (111 total)

Time interval	Ma	Country or state	Original ID and collection number
Telychian	438.5 - 433.4	United Kingdom (Scotland)	Leptodesma sp. (23297 23302)
Lochkovian	419.2 - 410.8	China (Guangxi)	Leptodesma deprati (3998) Leptodesma venusta (3999 4007) Leptodesma venusta, Leptodesma deprati, Leptodesma guangxiensis (4002)
Late/Upper Emsian	402.5 - 391.9	China (Guangxi)	Leptodesma guangxiensis (4803 4816 4824) Leptodesma guangxiensis, Leptodesma sp. (4804 4805 4806) Leptodesma guangxiensis, Leptodesma venusta (4808) Leptodesma sp. (4802) Leptodesma sp., Leptodesma guangxiensis, Leptodesma venusta (4819) Leptodesma venusta (4821) Leptodesma venuta (4863)
Eifelian - Givetian	393.3 - 382.7	USA (New York)	Leptodesma spinerigum (54747 54748)
Givetian	387.7 - 382.7	USA (Maryland)	Leptodesma spinerigum (54742)
Givetian	387.7 - 382.7	USA (Pennsylvania)	Leptodesma spinerigum (54741)
Givetian	387.7 - 382.7	USA (New York)	Leptodesma potens (90844) Leptodesma spinerigum (54743)
Givetian - Frasnian	387.7 - 372.2	USA (New York)	Leptodesma sp. (54727) Leptodesma spinerigum (54713 54744 54745 54746)
Frasnian	382.7 - 372.2	USA (Pennsylvania)	Leptodesma cadmus, Leptodesma spinerigum (54629) Leptodesma extenuatum, Leptodesma naviforme, Leptodesma orus, Leptodesma patulum, Leptodesma phaon, Leptodesma sociale, Leptodesma spinerigum (54274) Leptodesma hector, Leptodesma nereus (54718) Leptodesma lichas (54424) Leptodesma maclurii, Leptodesma mortoni, Leptodesma pelops, Leptodesma spinerigum (54504) Leptodesma naviforme (54721) Leptodesma sp. (54273) Leptodesma spinerigum (54408 54729)
Frasnian	382.7 - 372.2	Spain	Leptodesma adaroi (162206)
Frasnian	382.7 - 372.2	USA (West Virginia)	Leptodesma spinerigum (54238)
Frasnian	382.7 - 372.2	USA (New York)	Leptodesma billingsi (54717) Leptodesma jason (54277) Leptodesma lichas (54719) Leptodesma mortoni (54720) Leptodesma naviforme (54631 54704 54723) Leptodesma naviforme, Leptodesma spinerigum (54632 54634) Leptodesma potens (54725) Leptodesma propinquum (54726) Leptodesma spinerigum (54242 54429 54514 54701 54730 54731 54732 54733 54734 54735 54736) Leptodesma striatula (54749) Leptodesma striatus (54750)
Frasnian	382.7 - 372.2	USA (Maryland)	Leptodesma naviforme (54560 54722) Leptodesma spinerigum (54558 54738 54739 54740)
Frasnian	382.7 - 372.2	USA (Virginia)	Leptodesma spinerigum, Leptodesma potens (54724)
Famennian	372.2 - 358.9	USA (New York)	Leptodesma clitus, Leptodesma extenuatum, Leptodesma lichas, Leptodesma mathori, Leptodesma mortoni, Leptodesma propinquum, Leptodesma spinerigum (54262) Leptodesma lichas, Leptodesma waviformes (54263) Leptodesma spinerigum (14261 54260 54261 54609 54737)
Famennian	372.2 - 358.9	USA (Pennsylvania)	Leptodesma spinerigum (54728)
Famennian - Tournaisian	372.2 - 346.7	United Kingdom (England)	Leptodesma cultellatum (38442)
Late/Upper Famennian	364.7 - 360.7	Germany (Nordrhein-Westfalen)	Leptodesma anatina, Leptodesma sp., Leptodesma cultellata (38266) Leptodesma cultellatum, Leptodesma eberti, Leptodesma anatinum (162207)
Late/Upper Famennian	364.7 - 360.7	United Kingdom (England)	Leptodesma anatinum, Leptodesma cultellata (38143) Leptodesma cimitum (38425) Leptodesma cultellatum (38438)
Carboniferous	358.9 - 298.9	USA (Arizona)	Leptodesma carboniferum (124253)
Chesterian - Brigantian	335.5 - 330.9	USA (Ohio)	Leptodesma matheri, Leptodesma rhysema (85363) Leptodesma rhysema (85364)
Chesterian	335.5 - 323.2	USA (West Virginia)	Leptodesma matheri (92956 92965 92967 92974)
Serpukhovian	330.9 - 323.2	USA (West Virginia)	Leptodesma matheri (65682) Leptodesma sp., Leptodesma matheri, Leptodesma occidentale (56142)
Serpukhovian	330.9 - 323.2	USA (Oklahoma)	Leptodesma matheri (5611)
Morrowan - Desmoinesian	323.2 - 306.0	Brazil	Leptodesma matheri, Leptodesma potens (67801 211609 211611)
Morrowan - Desmoinesian	323.2 - 306.0	Mexico (Oaxaca)	Leptodesma sp. (43452)
Pennsylvanian	323.2 - 298.9	Mexico (Oaxaca)	Leptodesma sp. (211810 211813 211814)
Moscovian	315.2 - 307.0	Argentina (La Rioja)	Leptodesma potens (39939)
Kashirian - Myachkovian	313.8 - 307.0	USA (New Mexico)	Leptodesma longa (46548)
Kasimovian	307.0 - 303.7	USA (New Mexico)	Leptodesma sp. (41988)
Virgilian	303.7 - 298.9	USA (New Mexico)	Leptodesma sp. (146819 146828)
Asselian	298.9 - 295.5	Brazil	Leptodesma sp. (139503)
Asselian	298.9 - 295.5	Mexico	Leptodesma falcata (117974)
Artinskian	290.1 - 279.3	USA (Nevada)	Leptodesma sp. (66104)
Kungurian	279.3 - 272.3	USA (Texas)	Leptodesma falcata (43517)
Wuchiapingian	259.9 - 254.17	Malaysia (Pahang)	Leptodesma sp. (115251)