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Streptelasma

Anthozoa - Stauriida - Streptelasmatidae

Synonyms
  • Streptoplasma was named by Hall (1847). It is not extant.

    It was synonymized subjectively with Streptelasma by Hill (1956).
  • Dybowskia was named by Wedekind (1927).

    It was synonymized subjectively with Brachyelasma by Reiman (1958); it was synonymized subjectively with Streptelasma by Neuman (1969).
Synonymy list
YearName and author
1847Streptelasma Hall
1847Streptoplasma Hall
1927Dybowskia Wedekind
1953Streptelasma Hill
1958Streptelasma Kaljo
1958Streptelasma Reiman
1961Streptelasma Kaljo
1969Streptelasma Neuman
1985Streptelasma Elias
2002Streptelasma Sepkoski

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RankNameAuthor
kingdomAnimalia()
phylumCnidariaHatschek 1888
classAnthozoaEhrenberg 1834
—Hexacorallia()
subclassRugosa(Milne-Edwards and Haime 1850)
RankNameAuthor
orderStauriidaVerrill 1865
suborderStreptelasmatinaWedekind 1927
familyStreptelasmatidae(Nicholson 1889)
subfamilyStreptelasmatinaeNicholson 1889
genusStreptelasmaHall 1847

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. †Streptelasma Hall 1847
show all | hide all
Subg. †Streptelasma (Grewingkia) Dybowski 1873
†Streptelasma arcticum Wilson 1931
†Streptelasma bystrowi Reiman 1958
†Streptelasma collucata Scheffen 1933
†Streptelasma complanata Scheffen 1933
†Streptelasma concamerata Scheffen 1933
†Streptelasma concavum Kaljo 1956
†Streptelasma curvatum Hill 1953
†Streptelasma cylindricum Troedsson 1928
†Streptelasma cyrtum Neuman 1969
†Streptelasma dispandum Foerste 1909
†Streptelasma distinctum Wilson 1926
†Streptelasma divaricans Nicholson 1875
†Streptelasma duncani Dybowski 1873
†Streptelasma eccentricum Neuman 1969
†Streptelasma etnaense Elias and Potter 1984
†Streptelasma fevida Kaljo 1958
†Streptelasma hiumica Reiman 1958
†Streptelasma linnarssoni Lindström 1873
†Streptelasma luminosa Scheffen 1933
†Streptelasma prima Wedekind 1927
†Streptelasma primum Wedekind 1927
+
Invalid names: Brachyelasma primum Wedekind 1927 [synonym]
†Streptelasma prolongatum Wilson 1926
†Streptelasma rectum Hall 1876
†Streptelasma rostrata Scheffen 1933
†Streptelasma solida Scheffen 1933
†Streptelasma tennysoni Pestana 1960
†Streptelasma undulata Scheffen 1933
Invalid names: Dybowskia Wedekind 1927 [synonym], Streptoplasma Hall 1847 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calciteo
Locomotion: stationaryo
Attached: yeso
Life habit: epifaunalo
Diet: suspension feedero
Vision: blindc
Created: 2004-02-27 16:55:09
Modified: 2004-02-28 16:53:57
Source: o = order, c = class
Reference: Kiessling 2004

Age range: base of the Early/Lower Ordovician to the top of the Late/Upper Famennian or 485.40000 to 360.70000 Ma

Collections (374 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Ibexian487.5 - 470.0USA (Nevada) S. prolongatum (104522)
Early/Lower Ordovician485.4 - 470.0USA (Utah) S. sp. (104139)
Ordovician485.4 - 443.8USA (New York) S. sp. (332)
Middle Ordovician470.0 - 458.4USA (California) S. tennysoni (196189)
Middle Ordovician470.0 - 458.4USA (New York) S. sp. (333 430)
Middle Ordovician470.0 - 458.4USA (Minnesota) S. sp. (10754)
Chazyan470.0 - 457.3USA (Vermont) S. expansum (175905)
Middle Ordovician - Late/Upper Ordovician470.0 - 443.8Canada (Nunavut) S. arcticum (24226 24229 24231 24233 24234 24240) S. latum (24223) S. sp. (24221 24243 24244 101977) S. sp., S. arcticum (24241)
Costonian - Longvillian458.4 - 455.0Venezuela (Merida Andes) S. sp. (8858)
Soudleyan - Marshbrookian458.4 - 454.0Norway S. sp. (3251)

Youngest occurrences
Time interval Ma Country or state PBDB collection number
Telychian438.5 - 433.4United Kingdom (England) S. elongatum (49635)
Wenlock433.4 - 427.4India S. sp. (36257 36258 36260 36261)
Wenlock - Ludlow433.4 - 423.0Canada (Northwest Territories) S. latusculum, S. sp. (188851) S. sp. (188807 188841 188842) S. sp. A (188810 188814 188855)
Ludlow427.4 - 423.0Canada (Northwest Territories) S. sp. (188878 188898 188900)
Ludfordian425.6 - 423.0USA (Indiana) S. sp. (6706)
Lochkovian419.2 - 410.8Australia (New South Wales) S. sp. (25705 25706)
Devonian419.2 - 358.9Australia (Victoria) S. sp. (10156 10157) S. spp. (10154)
Couvinien409.1 - 387.7Australia (New South Wales) S. sp. (188209)
Frasnian382.7 - 372.2USA (Ohio) S. sp. (74950 74951)
Late/Upper Famennian364.7 - 360.7USA (Colorado) S. sp. (3615)