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Giraldiella

Rhynchonellata - Orthida - Giraldiellidae

Taxonomy
Giraldiella was named by Williams (1951) [Sepkoski's age data: O Llde-u S Ldov-u Sepkoski's reference number: 25,1075. Bancroft in Williams 1951.]. Its type is Orthis protensa. It is the type genus of Giraldiellidae.

It was assigned to Plectorthidae by Williams (1951); to Giraldiellidae by Williams et al. (2000); and to Orthida by Sepkoski (2002).

Synonymy list
YearName and author
1951Giraldiella Williams pp. 91 - 92
2000Giraldiella Williams et al. p. 771
2002Giraldiella Sepkoski

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
—Lophophorata
—PanbrachiopodaCarlson and Cohen 2020
RankNameAuthor
phylumBrachiopodaCuvier 1805
subphylumRhynchonelliformeaWilliams et al. 1996
classRhynchonellataWilliams et al. 1996
orderOrthidaSchuchert and Cooper 1932
suborderOrthidinaSchuchert and Cooper 1932
superfamilyPlectorthoideaSchuchert and Le Vene 1929
familyGiraldiellidae
genusGiraldiella

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. †Giraldiella Williams 1951
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†Giraldiella giraldi Williams 1951
†Giraldiella protensa de Sowerby 1839
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Invalid names: Giraldiella lata de Sowerby 1839 [synonym]
†Giraldiella subsilurica Marek and Havlíček 1967
Diagnosis
ReferenceDiagnosis
A. Williams 1951Multicostellate subequally convex or resupinate orthids with the dorsal valve more convex than the ventral. Internally with a plectorthid cardinalia except for a linear cardinal process, and a short undifferentiated
Measurements
No measurements are available
Composition: low Mg calcitep
Entire body: yesg
Adult length: 10 to < 100g
Adult width: 10 to < 100g
Adult height: 1.0 to < 10g
Folds: noneg
Ribbing: minorg
Spines: noneg
Internal reinforcement: noneg
Environment: marineuc
Locomotion: stationaryo
Attached: yeso
Life habit: epifaunalo
Diet: suspension feedero
Vision: blindc
Comments: BODY SIZE: Data from Williams et al (2002).g
Created: 2009-06-04 07:55:00
Modified: 2009-06-04 09:55:00
Source: g = genus, o = order, c = class, p = phylum, uc = unranked clade
References: Nesnidal et al. 2013, Hendy 2009, Aberhan et al. 2004

Age range: base of the Sandbian to the top of the Aeronian or 458.40000 to 438.50000 Ma

Collections (25 total)


Time interval Ma Country or state Original ID and collection number
Sandbian458.4 - 453.0Czech Republic G. sp. (3856)
Cautleyan449.2 - 448.8United Kingdom (Wales) G. sp. (185101 185102)
Rawtheyan448.8 - 445.2United Kingdom (Wales) G. sp. (185110)
Kosovian445.6 - 443.7Czech Republic G. sp. (3882)
Hirnantian445.2 - 443.4United Kingdom (Wales) G. giraldi (153336)
Hirnantian445.2 - 443.4Czech Republic (Praha) G. subsilurica (149320)
Hirnantian445.2 - 443.4Sweden G. sp. (2768)
Rhuddanian443.4 - 440.8United Kingdom (Wales) G. protensa (3459 3468 5050 5083) G. sp. (8408)
Rhuddanian443.4 - 440.8Kazakhstan (South Central) G. sp. (151928)
Rhuddanian - Aeronian443.4 - 438.5United Kingdom (Wales) G. protensa (4949 4953 4954 4961 4983 5012 5027 5030 5042)
Llandovery443.4 - 433.4United Kingdom (Wales) G. protensa (3207)
Aeronian440.8 - 438.5United Kingdom (Scotland) G. sp. (153465)