PBDB Taxon

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

Striithyris somaliensis

Rhynchonellata - Terebratulida - Loboidothyrididae

Taxonomy

Striithyris somaliensis was named by Muir-Wood (1935). Its type locality is Bihendula, which is in a Callovian/Oxfordian shallow subtidal limestone in the Bihen Limestone Formation of Somalia.

Sister species lacking formal opinion data

S. somalica

Synonyms

Striithyris saudiarabica was named by Cooper (1989). It is not extant. Its type locality is Ajibba, S296, which is in a Callovian shallow subtidal limestone in the Tuwaiq Mountain Formation of Saudi Arabia.

It was synonymized subjectively with Striithyris somaliensis by Alméras et al. (2010).
Striithyris striata was named by Cooper (1989). It is not extant. Its type locality is Haisiyan Pass, S1458, which is in a Callovian shallow subtidal limestone in the Tuwaiq Mountain Formation of Saudi Arabia.

It was synonymized subjectively with Striithyris somaliensis by Alméras et al. (2010).

Synonymy list

Year	Name and author
1935	Striithyris somaliensis Muir-Wood
1983	Striithyris somaliensis Cooper p. 153 figs. Pl 37, figs 9-14
1989	Striithyris saudiarabica Cooper
1989	Striithyris striata Cooper
2001	Striithyris saudiarabica Feldman et al. p. 648 figs. Pl. 2, Fig. 3-5

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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	Rhynchonellata	Williams et al. 1996
order	Terebratulida
suborder	Terebratulidina
superfamily	Loboidothyridoidea	Makridin 1964
family	Loboidothyrididae
subfamily	Loboidothyridinae	()
genus	Striithyris
species	somaliensis

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.

†Striithyris somaliensis Muir-Wood 1935

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Invalid names: Striithyris saudiarabica Cooper 1989 [synonym], Striithyris striata Cooper 1989 [synonym]

Diagnosis

No diagnoses are available

Measurements

part	N	mean	minimum	maximum	median	s.d.
height	7	13.2	11.1	15.7	13.0	1.72
shell height	2	11.0	8.30	14.7	11.5	4.53

Composition:

low Mg calcitep

Environment:

marineuc

Locomotion:

stationaryf

Attached:

yesp

Life habit:

low-level epifaunalf

Diet:

suspension feederf

Vision:

blindc

Created:

2018-11-10 17:51:39

Modified:

2018-11-10 17:51:39

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

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

Age range: base of the Middle Callovian to the top of the Callovian or 165.30000 to 161.50000 Ma

Collections (17 total)

Time interval	Ma	Country or state	Original ID and collection number
Callovian	165.3 - 161.5	Israel	Striithyris somaliensis (135537)
Callovian	165.3 - 161.5	Saudi Arabia	Striithyris saudiarabica (98681) Striithyris somaliensis (47902 98680 99084 141345) Striithyris striata (98798)
Late/Upper Callovian	165.3 - 161.5	Saudi Arabia	Striithyris somaliensis (141346 141502 141519 141563)
Late/Upper Callovian	165.3 - 161.5	Israel	Striithyris saudiarabica (59840)
Middle Callovian - Late/Upper Callovian	165.3 - 161.5	Saudi Arabia	Striithyris somaliensis (34544)
Callovian - Oxfordian	165.3 - 154.8	Somalia	Striithyris somaliensis (type locality: 93020)
Callovian - Oxfordian	165.3 - 154.8	Tunisia	Striithyris somaliensis (13951)
Callovian - Kimmeridgian	165.3 - 149.2	Tunisia	Striithyris somaliensis (99124 99126)