PBDB Taxon

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

Arabatia bihinensis

Rhynchonellata - Terebratulida - Loboidothyrididae

Taxonomy

Charltonithyris bihinensis was named by Weir (1929). It is a 3D body fossil. Its type locality is Bihendula (basal echinoid Bihin limestone), which is in a Bathonian/Bajocian carbonate limestone in the Bihin Limestone Formation of Somalia.

It was recombined as Cererithyris bihinensis by Alméras and Gupta (1986); it was recombined as Arabatia bihinensis by Alméras et al. (2010), Feldman et al. (2021).

Synonyms

Cererithyris somaliensis was named by Weir (1929). It is a 3D body fossil. Its type locality is Bihendula (basal echinoid Bihin limestone), which is in a Bathonian/Bajocian carbonate limestone in the Bihin Limestone Formation of Somalia.

It was synonymized subjectively with Arabatia bihinensis by Feldman et al. (2021).
Arabatia concava was named by Cooper (1989). It is not extant. Its type locality is Zilfi, S293, which is in a Callovian shallow subtidal limestone in the Tuwaiq Mountain Formation of Saudi Arabia.

It was synonymized subjectively with Arabatia bihinensis by Alméras et al. (2010), Feldman et al. (2021).
Arabicella costata was named by Cooper (1989). It is not extant. Its type locality is Jebel Qaradan, S1146, which is in a Callovian shallow subtidal limestone in the Tuwaiq Mountain Formation of Saudi Arabia.

It was recombined as Arabatia costata by Williams et al. (2006); it was synonymized subjectively with Arabatia bihinensis by Alméras et al. (2010), Feldman et al. (2021).
Arabicella ovalis was named by Cooper (1989). It is not extant. Its type locality is KK9, Khashm Mishraq, Atash Member, which is in a Callovian shallow subtidal limestone in the Dhruma Formation of Saudi Arabia.

It was recombined as Arabatia ovalis by Williams et al. (2006); it was synonymized subjectively with Arabatia bihinensis by Alméras et al. (2010), Feldman et al. (2021).
Arabicella subpentagonalis was named by Cooper (1989). It is not extant. Its type locality is Wadi Atj, S1295, which is in a Callovian shallow subtidal limestone in the Dhruma Formation of Saudi Arabia.

It was recombined as Arabatia subpentagonalis by Williams et al. (2006); it was synonymized subjectively with Arabatia bihinensis by Alméras et al. (2010), Feldman et al. (2021).
Arabicella subplana was named by Cooper (1989). It is not extant. Its type locality is KK9, Khashm Mishraq, Atash Member, which is in a Callovian shallow subtidal limestone in the Dhruma Formation of Saudi Arabia.

It was recombined as Arabatia subplana by Williams et al. (2006); it was synonymized subjectively with Arabatia bihinensis by Alméras et al. (2010), Feldman et al. (2021).

Synonymy list

Year	Name and author
1929	Cererithyris somaliensis Weir
1929	Charltonithyris bihinensis Weir
1929	Cererithyris somaliensis Weir p. 44 figs. Pl. 5, Fig. 9
1986	Cererithyris bihinensis Alméras and Gupta
1989	Arabatia concava Cooper
1989	Arabicella costata Cooper
1989	Arabicella ovalis Cooper
1989	Arabicella subpentagonalis Cooper
1989	Arabicella subplana Cooper
2006	Arabatia costata Williams et al.
2006	Arabatia ovalis Williams et al.
2006	Arabatia subpentagonalis Williams et al.
2006	Arabatia subplana Williams et al.
2010	Arabatia bihinensis Alméras et al. p. 60
2021	Arabatia bihinensis Feldman et al. p. 449 figs. 3A-L, 4

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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	Arabatia
species	bihinensis	()

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.

†Arabatia bihinensis Weir 1929

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Invalid names: Arabatia concava Cooper 1989 [synonym], Arabicella costata Cooper 1989 [synonym], Arabicella ovalis Cooper 1989 [synonym], Arabicella subpentagonalis Cooper 1989 [synonym], Arabicella subplana Cooper 1989 [synonym], Cererithyris somaliensis Weir 1929 [synonym]

Diagnosis

No diagnoses are available

Measurements

part	N	mean	minimum	maximum	median	s.d.
shell height	27	16.7	7.80	24.0	18.7	4.39

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

Age range: base of the Bathonian to the top of the Early/Lower Callovian or 168.20000 to 161.50000 Ma

Collections (65 total)

Time interval	Ma	Country or state	Original ID and collection number
Bathonian - Bajocian	168.2 - 168.2	Somalia	Cererithyris somaliensis, Charltonithyris bihinensis (type locality: 161481)
Bathonian	168.2 - 165.3	Saudi Arabia	Arabicella ovalis (136003) Arabicella ovalis, Arabicella subpentagonalis, Arabicella subplana (98842) Arabicella subpentagonalis (98714 98902) Arabicella subpentagonalis, Arabicella subplana (98717) Arabicella subplana (98841) Cererithyris bihinensis (45464 45517 48307 48447 48448 48451 48484 48485 48522)
Early/Lower Bathonian	168.2 - 165.3	Saudi Arabia	Arabatia bihinensis (141395)
Bathonian - Callovian	168.2 - 161.5	Saudi Arabia	Arabicella subplana (136004)
Callovian	165.3 - 161.5	Jordan	Cererithyris bihinensis (35471)
Callovian	165.3 - 161.5	Tunisia	Charltonithyris bihinensis (36665 99112)
Callovian	165.3 - 161.5	Somalia	Charltonithyris bihinensis (92998)
Callovian	165.3 - 161.5	Yemen (Wadi Hajar)	Arabicella ovalis (2604)
Callovian	165.3 - 161.5	Saudi Arabia	Arabatia bihinensis (141342) Arabatia concava (98681 99080) Arabicella costata (98721) Arabicella ovalis, Arabicella subpentagonalis, Arabicella subplana (98725) Arabicella ovalis, Arabicella subplana (98843) Arabicella subpentagonalis (98724 99109) Arabicella subpentagonalis, Arabicella subplana (98722) Arabicella subplana (98683) Cererithyris bihinensis (45538 45539 45541 47873 48506 48537 48538 48564 48585 48586 48594 48596 48599 48603 48604)
Callovian - Late/Upper Callovian	165.3 - 161.5	Tunisia	Charltonithyris bihinensis (31077)
Early/Lower Callovian	165.3 - 161.5	Jordan	Arabatia bihinensis (231872)
Middle Callovian	165.3 - 161.5	Saudi Arabia	Arabatia bihinensis (141403 141404 141405 141407 141483 141484 141495 141515 141559 141560)
Middle Callovian - Late/Upper Callovian	165.3 - 161.5	Tunisia	Charltonithyris bihinensis (13609 13676)
Callovian - Oxfordian	165.3 - 154.8	Tunisia	Charltonithyris bihinensis (13904)
Callovian - Oxfordian	165.3 - 154.8	Somalia	Cererithyris somaliensis (93015) Charltonithyris bihinensis (93012)