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Aequalicosta

Rhynchonellata - Spiriferida - Spiriferellidae

Taxonomy
Aequalicosta was named by Waterhouse (2004). It is not extant. Its type is Eliva inflata.

It was assigned to Purdonellinae by Waterhouse (2004); and to Hunzininae by Viaretti et al. (2022).

Synonymy list
YearName and author
2004Aequalicosta Waterhouse
2022Aequalicosta Viaretti et al. p. 682

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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
suborderSpiriferidina
superfamilySpiriferoidea()
familySpiriferellidaeWaterhouse 1968
subfamilyHunzininaeAngiolini 2001
genusAequalicosta

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. †Aequalicosta Waterhouse 2004
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†Aequalicosta inflata Cooper and Grant 1976
†Aequalicosta shumardi Cooper and Grant 1976
Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
shell height2211.86.7028.012.35.04
valve height29.535.9015.410.76.72

Composition: low Mg calcitep
Environment: marineuc
Locomotion: stationaryo
Attached: yesp
Life habit: epifaunalo
Diet: suspension feedero
Vision: blindc
Created: 2004-02-28 14:12:52
Modified: 2004-02-28 16:12:52
Source: o = order, c = class, p = phylum, uc = unranked clade
References: Aberhan et al. 2004, Nesnidal et al. 2013

Age range: base of the Kungurian to the top of the Capitanian or 283.30000 to 259.51000 Ma

Collections (29 total)


Time interval Ma Country or state Original ID and collection number
Kungurian283.3 - 274.4Oman A. sp. (166923)
Wordian266.9 - 264.28USA (Texas) Eliva inflata, Eliva shumardi (105900) Eliva shumardi (101867 105897 105899) Spirifer mexicanus (108821)
Capitanian264.28 - 259.51USA (Texas) Eliva inflata (105904 105993 106161 106246 106247 106250 106251) Eliva inflata, Eliva shumardi (102618) Eliva inflata, Spirifer mexicanus (108812) Eliva shumardi (81626 101809 102624 105893 105894 106242 106248) Spirifer mexicanus (108801 108804)
Capitanian264.28 - 259.51USA (New Mexico) Eliva inflata (81964 81968 102629 106253) Eliva inflata, Eliva shumardi (102625)