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Alaskospira

Rhynchonellata - Spiriferida - Reticulariidae

Taxonomy
Alaskospira was named by Kirk and Amsden (1952) [Sepkoski's age data: S Ldov-u S u Sepkoski's reference number: 1,538]. It is not extant.

It was assigned to Spiriferacea by Kirk and Amsden (1952); to Spiriferida by Sepkoski (2002); and to Obesariinae by Williams et al. (2006).

Species
A. dunbari, A. fabiformis
Species lacking formal opinion data
A. accedens, A. carens, A. dubari

Synonyms
Synonymy list
YearName and author
1952Alaskospira Kirk and Amsden
2002Alaskospira Sepkoski
2002Proreticularia Sepkoski
2006Alaskospira Williams et al. p. 1857

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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
orderSpiriferida
suborderDelthyridinaIvanova 1972
superfamilyReticularioidea
familyReticulariidaeWaagen 1883
subfamilyObesariinaeGourvennec 1994
genusAlaskospira

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. †Alaskospira Kirk and Amsden 1952
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†Alaskospira dunbari Kirk and Amsden 1952
†Alaskospira fabiformis Jin et al. 1993
Invalid names: Proreticularia [synonym]
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: noneg
Spines: noneg
Internal reinforcement: noneg
Environment: marineuc
Locomotion: stationaryo
Attached: yesp
Life habit: epifaunalo
Diet: suspension feedero
Vision: blindc
Comments: BODY SIZE: Data from Williams et al. (2006).g
Created: 2009-06-06 11:05:40
Modified: 2009-06-06 13:05:40
Source: g = genus, o = order, c = class, p = phylum, uc = unranked clade
References: Aberhan et al. 2004, Hendy 2009, Nesnidal et al. 2013

Age range: base of the Telychian to the top of the Eifelian or 438.60000 to 387.95000 Ma

Collections (37 total)


Time interval Ma Country or state Original ID and collection number
Llandovery443.1 - 432.9USA (Nevada) A. sp. (467)
Silurian443.1 - 419.62USA (Alaska) A. dunbari (109016)
Telychian438.6 - 432.9Canada (Ontario) A. fabiformis (77335 77337)
Wenlock - Ludlow432.9 - 422.7China (Sichuan) A. dubari (27805)
Wenlock - Ludlow432.9 - 422.7Canada (Northwest Territories) A. sp. (188865)
Wenlock - Pridoli432.9 - 419.62USA (Nevada) A. sp. (24853)
Gorstian426.7 - 425.0Czechia A. carens (14106)
Gorstian - Ludfordian426.7 - 422.7Czechia A. carens (14066)
Ludlow426.7 - 422.7China (Jilin) Proreticularia carens (27913) Proreticularia sp. (25849)
Ludlow426.7 - 422.7USA (California) A. dunbari (79734 229626 229627)
Ludlow426.7 - 422.7Russian Federation Proreticularia carens (23763 23774) Proreticularia carens, Proreticularia pseudopentameriformis (23760) Proreticularia carens, Proreticularia pseudopentemeriformis (23765) Proreticularia sp. (23696)
Ludlow426.7 - 422.7USA (Nevada) A. sp. (204035 227120)
Ludlow - Pridoli426.7 - 419.62Tajikistan Proreticularia carens (13976)
Ludfordian425.0 - 422.7Czechia A. carens (14070) A. sp. (14111)
Pridoli422.7 - 419.62Tajikistan Proreticularia carens, Proreticularia sp. (13977)
Pridoli422.7 - 419.62Russian Federation Proreticularia carens (24740 24747) Proreticularia pentameriformis (13958)
Pridoli422.7 - 419.62Russian Federation (Bashkir) Proreticularia pentameriformis (13940 13954)
Pridoli422.7 - 419.62USA (Nevada) A. sp. (180183)
Lochkovian419.62 - 413.02Vietnam Proreticularia sp. (83324)
Lochkovian419.62 - 413.02Australia (New South Wales) Proreticularia beddiei (24900 25705 25706 25707)
Late/Upper Emsian - Eifelian399.5 - 387.95Czechia A. accedens (5783)