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

Orthothecidae

Orthothecida - Orthothecidae

Synonymy list
YearName and author
1957Orthothecidae Syssoiev
1962Orthothecidae Fisher p. 125
1969Orthothecidae Rozanov et al. p. 144
1990Orthothecidae Malinky p. 229

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

RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
RankNameAuthor
—Lophophorata
phylumHyolitha
orderOrthothecida
familyOrthothecidae
familyOrthothecidae

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.

Fm. †Orthothecidae Syssoiev 1957
show all | hide all
G. †Bactrotheca Novak 1891
hide
†Bactrotheca emmonsi Ford 1873
†Bactrotheca teres Barrande 1867
G. †Lenatheca Rozanov et al. 1969
hide
†Lenatheca groenlandica Poulsen 1932
G. †Lentitheca Sysoyev 1958
G. †Orthotheca Novak 1886
hide
†Orthotheca bayonet Matthew 1899
†Orthotheca buelna Lochman 1952
†Orthotheca corrugata Matthew 1899
†Orthotheca daulis Walcott 1905
†Orthotheca doris Walcott 1905
†Orthotheca shriveri Malinky 2009
†Orthotheca suavis Barrande 1872
+
Invalid names: Orthotheca intermedia Novak 1886 [objective synonym]
†Orthotheca subornatus Reed 1909
†Orthotheca teretiuscula Linnarsson 1877
G. †Quadrotheca Sysoyev 1958
hide
†Quadrotheca shipaiensis Qian et al. 1979
G. †Semielliptotheca Syssoiev 1958
G. †Trapezotheca Syssoiev 1958
hide
†Trapezotheca aemulus Holm 1893
†Trapezotheca bicostata Rozanov et al. 1969
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitep
Entire body: yesf
Adult length: 10 to < 100f
Adult width: 1.0 to < 10f
Adult height: 1.0 to < 10f
Ribbing: minorf
Spines: nonef
Environment: marinep
Locomotion: stationaryp
Life habit: epifaunalp
Diet: suspension feederp
Vision: blindp
Created: 2009-02-26 06:53:26
Modified: 2009-02-26 08:53:26
Source: f = family, p = phylum
References: Hendy 2009, Hendy et al. 2009

Age range: base of the Tommotian to the top of the Eifelian or 525.50000 to 387.95000 Ma

Collections (77 total)


Time interval Ma Country or state Original ID and collection number
Placentian538.8 - 516.2Canada (Newfoundland and Labrador) Orthotheca bayonet (240670)
Meishucunian530.7 - 521.0China (Hubei) Lenatheca sp. (107636) Trapezotheca sp., Quadrotheca shipaiensis (107634)
Tommotian525.5 - 521.0Germany (Brandenburg) Orthotheca corneolus (8189)
Tommotian525.5 - 521.0Russian Federation (Sakha) Lenatheca plana (232888)
Tommotian525.5 - 521.0Russian Federation (Y) Trapezotheca bicostata (10093)
Tommotian525.5 - 521.0Russian Federation (Yakutia) Trapezotheca bicostata (10067 45852)
Tommotian525.5 - 521.0Russian Federation (Yakutiya) Lenatheca obrupta, Lenatheca granda, Trapezotheca bicostata (80952) Lenatheca sp., Trapezotheca bicostata (10041) Trapezotheca bicostata (80950)
Atdabanian521.0 - 516.0Russian Federation (Siberia) Lenatheca groenlandica (174257) Orthotheca bayonett (232892)
Branchian516.2 - 506.5United Kingdom (England) Hyolithus sp., Hyolithus holmi, Hyolithus striata (79928)
Botomian516.0 - 512.1Russian Federation (Siberia) Lenatheca groenlandica (174258)
Dyeran515.3 - 509.7Mexico Orthotheca buelna (10684)
Dyeran515.3 - 509.7Greenland Orthothecidae indet. (49461 67791)
Dyeran515.3 - 509.7USA (New York) Bactrotheca emmonsi (78762 78764 78765 78766 78767)
Dyeran515.3 - 509.7Canada (Quebec) Bactrotheca emmonsi (78753 78754 78755)
Delamaran509.7 - 505.3USA (Idaho) Orthotheca sola (76096) Orthotheca sp. (207)
Amgan508.2 - 504.5Norway (Rogaland) Orthotheca teretiuscula (76545)
Solvan508.2 - 504.5Sweden Orthotheca corneolus (8150)
Solvan508.2 - 504.5Sweden (Scania) O. sp. 3 (232891)
Marjumian504.5 - 497.0USA (Vermont) Orthotheca acicula (222)
Marjumian504.5 - 497.0Greenland (Peary Land) Orthothecidae indet. (49483)
Cressagian486.4 - 481.1United Kingdom (England) Orthotheca exilis (3711)
Tremadoc486.4 - 477.1Spain (Zaragoza) Orthotheca sp. (21076)
Tremadoc486.4 - 477.1Sweden Orthotheca sp. (3109)
Tremadoc486.4 - 477.1Argentina Orthotheca sp. (9010)
Tremadoc486.4 - 477.1France (Montagne Noire) Orthotheca sp. (20829 76571)
Migneintian481.1 - 477.1United Kingdom (England) Orthotheca lineata (3710)
Arenig477.1 - 468.0Argentina Orthotheca sp. (8869)
Sarka469.4 - 463.3Czechia Bactrotheca teres (3857)
Llanvirn468.0 - 458.2Czechia (Prague) Bactrotheca sp. (76458)
Llandeilo461.1 - 458.2China (GanSu) Semielliptotheca sp. (8549)
Dobrotivian461.0 - 459.7Czechia Bactrotheca teres (3859)
Costonian - Harnagian458.2 - 457.2Sweden Orthotheca sp. (2765)
Caradoc458.2 - 449.5Poland Quadrotheca aetherica (233108)
Pusgillian449.5 - 449.2United Kingdom (Scotland) Hyolithes subornatus (73133)
Pirgu449.5 - 445.2Sweden Bactrotheca deleta, Quadrotheca sp., O. sp. 1, O. sp. 2 (165077)
Wufeng - Hirnantian449.4 - 443.1China (JiangXi) Orthotheca sp. (7747)
Rawtheyan448.8 - 445.2United Kingdom (Wales) Bactrotheca sp. (8327 8369 192503) Bactrotheca sp., Orthothecidae indet. (8370)
Hirnantian445.2 - 443.1United Kingdom (Wales) Bactrotheca sp. (8392) Orthothecidae indet. (8404)
Homerian430.6 - 426.7Czechia Orthotheca pulchra (14028)
Gorstian426.7 - 425.0Australia (Victoria) Lentitheca semicostata (8038)
Lochkovian419.62 - 413.02Czechia Orthotheca intermedia (231818)
Lochkovian419.62 - 413.02Australia (Victoria) Lentitheca sp. (7196)
Pragian413.02 - 410.62Morocco Orthotheca sp. (208256 208258 208261)
Early/Lower Emsian410.62 - 399.5Morocco Orthotheca sp. (150334 150361 150363 150365 150580)
Early/Lower Emsian410.62 - 399.5Czechia (Prague) Orthotheca sp. (81281)
Emsian410.62 - 393.47USA (Pennsylvania) Orthotheca shriveri (90617)
Emsian410.62 - 393.47South Africa Orthotheca steinmanni (35581 35582 35589 35590) Orthotheca steinmanni, Orthotheca sp. (35578)
Late/Upper Emsian399.5 - 393.47Morocco Orthotheca sp. (208263)
Eifelian393.47 - 387.95Germany Orthotheca sp. (616)