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Leptodesma (Leptodesma) rhysema
Taxonomy
Leptodesma (Leptodesma) rhysema was named by Hoare (2007). Its type specimen is OSU 52376, a shell, and it is a 3D body fossil. Its type locality is Somerset Cut Limestone quarry, east side County Road 96, 2.1 km N County Rd 96, which is in a Chesterian/Brigantian carbonate limestone/shale in the Maxville Limestone Formation of Ohio.
Sister species lacking formal opinion data
L. acadica, L. ancilla, L. ardmillanensis, L. bodana, L. borealis, L. carens, L. conradi, L. dawsoni, L. ehlersi, L. elongatum, L. gratissima, L. improvisa, L. improvisa, L. lamellosa, L. longispinum, L. lunulata, L. naviforme, L. novella, L. ohioense, L. parva, L. parvae, L. patricia, L. pteriformis, L. rhomboidea, L. rhomboideum, L. robustum, L. subrhomboidea, L. variabilis, L. venusta, L. fontinalis, L. actualaris, L. acutilaris, L. conradi, L. dekayi, L. laevis, L. marylandica, L. mesacostalis, L. nitida, L. sayi, L. torregi, L. ausablensis, L. lunulata, L. pseudolaevis, L. anatina, L. billingsi, L. cadmus, L. carboniferum, L. cimitum, L. clitus, L. cultellatum, L. deprati, L. eberti, L. extenuatum, L. guangxiensis, L. hector, L. jason, L. lichas, L. longa, L. maclurii, L. mathori, L. mortoni, L. naviforme, L. nereus, L. orus, L. patulum, L. pelops, L. phaon, L. propinquum, L. sociale, L. spinerigum, L. striatula, L. striatus, L. venusta, L. venuta, L. waviformes, L. stenzeli
Synonymy list
| Year | Name and author |
|---|---|
| 2007 | Leptodesma (Leptodesma) rhysema Hoare p. 67 figs. 4.8 – 4.12 |
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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.
†Leptodesma (Leptodesma) rhysema Hoare 2007
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family, o = order, c = class | |||||
| References: Kiessling 2004, Aberhan et al. 2004, Hendy 2009 | |||||
Age range: base of the Chesterian to the top of the Brigantian or 335.40000 to 330.30000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Chesterian - Brigantian | USA (Ohio) | Leptodesma rhysema (type locality: 85363 85364) |