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Platystrophia

Rhynchonellata - Orthida - Platystrophiidae

Synonymy list
YearName and author
1850Platystrophia King p. 106
1873Orthis (Platystrophia) Meek p. 116
1956Platystrophia Oraspold
1959Platystrophia Oraspold
1961Platystrophia Rubel
1964Platystrophia Neuman
1970Platystrophia Macomber
1974Platystrophia Bassett and Cocks
1977Platystrophia Mitchell
1988Platystrophia Howe p. 213
1997Platystrophia Jin and Chatterton
1999Platystrophia Zuykov
2000Platystrophia Williams et al. p. 775
2002Platystrophia Sepkoski, Jr.
2005Platystrophia Zuykov and Egerquist
2007Platystrophia Zuykov and Harper pp. 23 - 24
2017Platystrophia Liljeroth et al.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Eutriploblastica
Neotriploblastica
Eucoelomata
superphylumLophotrochozoa
Lophophorata
phylumBrachiopodaCuvier 1805
RankNameAuthor
subphylumRhynchonelliformeaWilliams et al. 1996
classRhynchonellataWilliams et al. 1996
orderOrthidaSchuchert and Cooper 1932
suborderOrthidinaSchuchert and Cooper 1932
superfamilyPlectorthoideaSchuchert and Le Vene 1929
familyPlatystrophiidaeSchuchert 1929
genusPlatystrophia

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.

Diagnosis
ReferenceDiagnosis
M. A. Zuykov and D. A. T. Harper 2007Platystrophiid with uniplicate or biplicate origination of costae in ventral sulcus; dorsal interior with well-developed notothyrial platform; brachiophores with massive basal parts; fulcral plates absent; anterior and posterior pairs of adductor scars closely spaced in the central part of the dorsal valve; median septum well developed, bisecting the adductor scars medially; adductor muscle impressions smooth.
Measurements
No measurements are available
Composition: low Mg calcitep
Entire body: yesg
Adult length: 10 to < 100g
Adult width: 10 to < 100g
Locomotion: stationaryg
Attached: yesg
Life habit: epifaunalg
Diet: suspension feederg
Vision: blindc
Comments: LIFE HISTORY: Data from Meyer et al. (2009); pedically aattached, epifaunal, suspension-feeder (McKerrow, 1979).g
Created: 2009-04-13 09:55:46
Modified: 2009-07-20 15:28:02
Source: g = genus, c = class, p = phylum
References: Aberhan et al. 2004, Hendy et al. 2009

Age range: base of the Middle Ordovician to the top of the Ludlow or 470.00000 to 423.00000 Ma

Collections (1101 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Ordovician485.4 - 443.4USA (Ohio) P. ponderosa, P. laticosta (77814)
Arenigian478.6 - 468.1USA (Maine) P. sp. (115153)
Arenig478.6 - 466.0Argentina (San Juan) P. sp. (8743)
Arenig478.6 - 466.0Argentina P. sp. (8721)
Rangerian471.8 - 468.1USA (Maine) P. sp. (115156)
Volkhov471.8 - 468.1Estonia (Harju) P. sp. (191439)
Volkhov471.8 - 468.1Russian Federation P. putilovensis (157104 157105 157106 157107 157108 157111 157122 157124 191689)
Volkhov471.8 - 468.1Russian Federation (Ingria) P. putilovensis (191685)
Volkhov471.8 - 468.1Russian Federation (St. Petersburg) P. putilovensis (191688) P. sp. (191686)
Volkhov471.8 - 468.1Russian Federation (Vokhov area) P. putilovensis (191690)

Youngest occurrences

Time interval Ma Country or state PBDB collection number
Telychian - Wenlock438.5 - 427.4USA (Indiana) P. biforata (26805)
Telychian - Wenlock438.5 - 427.4Canada (Manitoba) P. sp. (26718 26721)
Sheinwoodian433.4 - 430.5Sweden (Gotland) P. biforata (13598) P. sp. (13591 13592 13594) P. sp., P. biforata (13597)
Wenlock433.4 - 427.4Canada (Ontario) P. sp. (14195)
Wenlock433.4 - 427.4USA (Iowa) P. biforata (26702) P. sp. (25032)
Wenlock433.4 - 427.4USA (Wisconsin) P. biforata (13353 26815)
Wenlock - Ludlow433.4 - 423.0USA (Illinois) P. biforata (26816)
Wenlock - Silurian433.4 - 419.2USA (Wisconsin) P. sp. (13069 13075 13104 13107)
Homerian430.5 - 427.4Sweden (Gotland) P. biforata (13599 13600)
Ludlow427.4 - 423.0Canada (Ontario) P. sp. (14196)