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Kirkidium knighti

Rhynchonellata - Pentamerida - Pentameridae

Taxonomy
Pentamerus knightii was named by Sowerby (1813). It is the type species of Kirkidium.

It was corrected as Pentamerus knighti by Davidson (1871); it was recombined as Conchidium knighti by Northrop (1939); it was recombined as Kirkidium knighti by Amsden et al. (1967); it was recombined as Kirkidium knightii by Bassett and Cocks (1974).

Synonymy list
YearName and author
1871Pentamerus knighti Davidson pp. 142 - 144 figs. pl. 16, figs. 1-3; pi. 17, figs. 1-10; pi. 19, fig. 3
1939Conchidium knighti Northrop p. 169
1967Kirkidium knighti Amsden et al. pp. 865 - 866 figs. PI. 106, figs. 7-12
1974Kirkidium knightii Bassett and Cocks

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
—Lophophorata
—PanbrachiopodaCarlson and Cohen 2020
phylumBrachiopodaCuvier 1805
RankNameAuthor
subphylumRhynchonelliformeaWilliams et al. 1996
classRhynchonellataWilliams et al. 1996
orderPentameridaSchuchert and Cooper 1931
suborderPentameridinaSchuchert and Cooper 1931
superfamilyPentameroideaMcCoy 1844
familyPentameridae
genusKirkidium
speciesknighti(Sowerby 1813)

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.

†Kirkidium knighti Sowerby 1813
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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
Adult height: 10 to < 100g
Folds: noneg
Ribbing: minorg
Spines: noneg
Internal reinforcement: noneg
Environment: marineuc
Locomotion: stationaryo
Attached: yesp
Life habit: epifaunalo
Diet: suspension feedero
Vision: blindc
Created: 2009-06-04 12:16:35
Modified: 2009-06-04 14:16:35
Source: g = genus, o = order, c = class, p = phylum, uc = unranked clade
References: Aberhan et al. 2004, Nesnidal et al. 2013, Hendy 2009

Age range: base of the Gleedonian to the top of the Ludfordian or 429.60000 to 422.70000 Ma

Collections (29 total)


Time interval Ma Country or state Original ID and collection number
Silurian443.1 - 419.62USA (Alaska) Conchidium knighti (111787)
Niagaran439.4 - 422.7USA (Indiana) Kirkidium knighti (22818)
Wenlock - Ludlow432.9 - 422.7China (Xinjiang) Conchidium knighti (27767)
Wenlock - Ludlow432.9 - 422.7Canada (Northwest Territories) Conchidium knighti (188822 188823 188824 188826 188841 188842 188864 188865 188866)
Wenlock - Leintwardine432.9 - 419.62Sweden (Gotland) Kirkidium knightii (192371)
Gleedonian429.6 - 426.7Canada (Quebec) Conchidium knighti (157356)
Gorstian426.7 - 425.0United Kingdom (England) Kirkidium knightii (23209 23211 23213)
Gorstian426.7 - 425.0Sweden (Gotland) Conchidium knighti (13603)
Gorstian426.7 - 425.0Lithuania Kirkidium knightii (192653)
Gorstian - Ludfordian426.7 - 422.7Lithuania Kirkidium knightii (192996)
Gorstian - Ludfordian426.7 - 422.7Sweden (Gotland) Kirkidium knightii (13531)
Ludlow426.7 - 422.7Ukraine Kirkidium knightii (23376)
Ludlow426.7 - 422.7China (Xinjiang) Kirkidium knighti (27896)
Ludlow426.7 - 422.7Lithuania Kirkidium knightii (13753 195446)
Ludlow426.7 - 422.7Russian Federation Kirkidium knighti (23749)
Ludlow - Pridoli426.7 - 419.62USA (Alaska) Conchidium knighti (111896)
Ludfordian425.0 - 422.7Sweden (Gotland) Conchidium knighti (13616 70432)