PBDB Taxon

Basic info	Taxonomic history	Classification	Included Taxa
Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Leangella (Leangella) hamari

Strophomenata - Strophomenida - Leptestiidae

Taxonomy

Leangella hamari was named by Spjeldnaes (1957). Its type specimen is PMO 37879, a shell (complete shell), and it is a 3D body fossil.

It was recombined as Leangella (Leangella) hamari by Candela and Harper (2014).

Sister species lacking formal opinion data

L. anaclyta, L. biseptata, L. dissiticostella, L. hubeiensis, L. ino, L. llandeiloensis, L. namurensis, L. segmentim, L. tennesseensis, L. tufogena, L. biseptata, L. mutabilis, L. dissiticostella

Synonymy list

Year	Name and author
1957	Leangella hamari Spjeldnaes pp. 81 - 83 figs. Pl. 2, figs. l-3, text-fig. 19J, 20
1962	Leangella hamari Williams pp. 172 - 173 figs. Pl. XVI, figs. 16, 17
2014	Leangella (Leangella) hamari Candela and Harper pp. Supplement 1

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Protostomia
—	Spiralia
superphylum	Lophotrochozoa
—	Lophophorata
—	Panbrachiopoda	Carlson and Cohen 2020
phylum	Brachiopoda	Cuvier 1805

Rank	Name	Author
subphylum	Rhynchonelliformea	Williams et al. 1996
class	Strophomenata	Williams et al 1996
order	Strophomenida	Opik 1934
superfamily	Plectambonitoidea	Jones 1928
family	Leptestiidae	Opik 1933
genus	Leangella	Opik 1933
subgenus	Leangella	Opik 1933
species	hamari	()

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.

†Leangella (Leangella) hamari Spjeldnaes 1957

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Diagnosis

Reference	Diagnosis
A. Williams 1962	Strongly concavo-convex, subtriangular Leangella with a finely parvicostellate ornamentation divided into sectors by strong radiating primary costae; lophophore platform small and subpetaloid in outline, two-thirds as long as wide and less than one-third as long as the brachial valve; ventral musclescar subcordate, small, about one-sixth as long as the pedicle valve.

Measurements

No measurements are available

Composition:

low Mg calcitep

Entire body:

yesg

Adult length:

1.0 to < 10g

Adult width:

1.0 to < 10g

Adult height:

1.0 to < 10g

Folds:

noneg

Ribbing:

minorg

Spines:

noneg

Internal reinforcement:

noneg

Environment:

marineuc

Locomotion:

stationaryf

Attached:

yesp

Life habit:

epifaunalf

Diet:

suspension feederf

Vision:

blindc

Created:

2009-06-10 11:15:24

Modified:

2009-06-10 13:15:24

Source: g = genus, f = family, c = class, p = phylum, uc = unranked clade

References: Hendy 2009, Aberhan et al. 2004, Nesnidal et al. 2013, Hendy et al. 2009

Age range: base of the Harnagian to the top of the Sandbian or 458.20000 to 452.80000 Ma

Collections (3 total)

Time interval	Ma	Country or state	Original ID and collection number
Harnagian - Soudleyan	458.2 - 457.2	Norway (Hamar -Nes)	Leangella hamari (162624)
Sandbian	458.2 - 452.8	Norway	Leangella hamari (166854)
Burrellian	456.6 - 452.5	United Kingdom (Scotland)	Leangella hamari (165050)