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Protomegastrophia

Strophomenata - Strophomenida - Leptostrophiidae

Taxonomy
Protomegastrophia was named by Caster (1939). Its type is Protomegastrophia profunda.

It was reranked as Brachyprion (Protomegastrophia) by Caster (1939); it was reranked as Megastrophia (Protomegastrophia) by Bassett and Cocks (1974), Cocks (1978).

It was assigned to Brachyprion by Caster (1939); to Megastrophia by Bassett and Cocks (1974), Cocks (1978); to Strophomenida by Sepkoski (2002); and to Leptostrophiidae by Williams et al. (2000), Musteikis and Cocks (2004).

Species
P. semiglobosa
Species lacking formal opinion data
Megastrophia manchurica, P. inflata, P. miranda, P. prima
Entered
by J. Sepkoski on 2003-01-23; modified by B. Kröger on 2018-03-09

Synonymy list
YearName and author
1939Brachyprion (Protomegastrophia) Caster
1939Protomegastrophia Caster
1974Megastrophia (Protomegastrophia) Bassett and Cocks p. 16
1978Megastrophia (Protomegastrophia) Cocks p. 128
2000Protomegastrophia Williams et al. p. 287
2002Protomegastrophia Sepkoski
2004Protomegastrophia Musteikis and Cocks

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
—Lophophorata
—PanbrachiopodaCarlson and Cohen 2020
RankNameAuthor
phylumBrachiopodaCuvier 1805
subphylumRhynchonelliformeaWilliams et al. 1996
classStrophomenataWilliams et al 1996
orderStrophomenidaOpik 1934
superfamilyStrophomenoideaKing 1846
familyLeptostrophiidaeCaster 1939
genusProtomegastrophiaCaster 1939

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. †Protomegastrophia Caster 1939
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitep
Entire body: yesg
Adult length: 10 to < 100g
Adult width: 10 to < 100g
Folds: noneg
Ribbing: minorg
Spines: noneg
Internal reinforcement: noneg
Environment: marineuc
Locomotion: stationaryf
Attached: yesp
Life habit: epifaunalf
Diet: suspension feederf
Vision: blindc
Comments: BODY SIZE: Data from Williams et al. (2000).g
Created: 2009-06-10 11:24:44
Modified: 2009-06-10 13:24:44
Source: g = genus, f = family, c = class, p = phylum, uc = unranked clade
References: Hendy 2009, Nesnidal et al. 2013, Aberhan et al. 2004, Hendy et al. 2009

Age range: base of the Niagaran to the top of the Ludlow or 439.40000 to 422.70000 Ma

Collections (61 total)


Time interval Ma Country or state Original ID and collection number
Llandovery443.1 - 432.9USA (Iowa) P. sp. (26711 26712)
Llandovery443.1 - 432.9USA (Indiana) P. sp. (13291)
Llandovery443.1 - 432.9Canada (Québec) P. sp. (24539 24543 25160)
Llandovery443.1 - 432.9USA (Wisconsin) P. sp. (12996)
Llandovery443.1 - 432.9United Kingdom (Wales) P. sp. (465)
Llandovery443.1 - 432.9USA (New York) P. sp. (452 459 462)
Silurian - Llandovery443.1 - 432.9Canada (New Brunswick) P. sp. (11545)
Alexandrian - Niagaran443.1 - 422.7Canada (Québec) P. sp. (25155)
Aeronian440.5 - 438.6United Kingdom (England) P. sp. (520)
Aeronian440.5 - 438.6USA (New York) P. sp. (75222)
Niagaran - Sheinwoodian439.4 - 430.6Canada (Québec) P. sp. (25157)
Niagaran439.4 - 422.7Canada (Québec) P. sp. (25161)
Telychian438.6 - 432.9USA (Iowa) P. sp. (25016 25038 26717 26763)
Telychian438.6 - 432.9Canada (New Brunswick) P. prima (68834)
Telychian438.6 - 432.9Venezuela P. sp. (25070)
Telychian - Sheinwoodian438.6 - 430.6USA (Iowa) P. sp. (26768 26769)
Telychian - Sheinwoodian438.6 - 430.6Canada (Québec) P. sp. (25162)
Jaani433.5 - 431.2Estonia (Hiiumaa) P. semiglobosa (195428)
Jaani433.5 - 431.2Estonia (Saare) Megastrophia semiglobosa (195595)
Sheinwoodian432.9 - 430.6Norway P. semiglobosa (14314)
Sheinwoodian432.9 - 430.6Sweden (Gotland) Megastrophia semiglobosa (13524 13525) Stropheodonta semiglobosa (13592 13594 13597 13598)
Sheinwoodian432.9 - 430.6Czechia P. inflata (14096) P. miranda (14094)
Wenlock432.9 - 426.7Ireland P. sp. (500)
Wenlock432.9 - 426.7Canada (Ontario) P. sp. (14195)
Wenlock432.9 - 426.7USA (New York) P. sp. (470 473 474 530)
Wenlock432.9 - 426.7Ukraine P. semiglobosa (23364)
Wenlock432.9 - 426.7United Kingdom (England) P. sp. (24810)
Wenlock432.9 - 426.7USA (Iowa) P. sp. (25031 25032 26812)
Wenlock - Ludlow432.9 - 422.7USA (Iowa) P. sp. (26716)
Wenlock - Ludlow432.9 - 422.7USA (Illinois) P. sp. (26703 26704 26770)
Wenlock - Ludlow432.9 - 422.7USA (Wisconsin) P. sp. (26701 26707)
Homerian430.6 - 426.7Norway P. semiglobosa (14317)
Homerian430.6 - 426.7Czechia P. inflata (14053) P. miranda (14048 14065 14095 14097)
Ludlow426.7 - 422.7Canada (Ontario) P. sp. (14196)