PBDB Taxon

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

Seseloidia

Strophomenata - Productida - Richthofeniidae

Taxonomy

Seseloidia was named by Grant (1993). Its type is Seseloidia phlebodes.

It was assigned to Richthofeniidae by Williams et al. (2000); and to Strophomenida by Grant (1993), Sepkoski (2002).

Species

S. phlebodes (type species)

Synonymy list

Year	Name and author
1993	Seseloidia Grant pp. 10-11 fig. 9
2000	Seseloidia Williams et al. p. 612
2002	Seseloisi Sepkoski

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

Rank	Name	Author
phylum	Brachiopoda	Cuvier 1805
subphylum	Rhynchonelliformea	Williams et al. 1996
class	Strophomenata	Williams et al 1996
order	Productida	Sarycheva and Sokolskaya 1959
suborder	Lyttoniidina
superfamily	Richthofenioidea	()
family	Richthofeniidae
genus	Seseloidia

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. †Seseloidia Grant 1993

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†Seseloidia phlebodes Grant 1993

Diagnosis

Reference	Diagnosis
R. E. Grant 1993	conical, ventral valve walls thick, vesicular, with rough exterior; supporting spines few, scattered randomly; apertural spines absent, dorsal valve pustulose, resting on prominent shelf recessed within ventral aperture; hinge narrowed by proximal swellings of ventral shelf. Ventral interior containing low front-to-back swelling on floor; mycoelidium long, reaching from floor to just below hinge, containing high median septum arising from floor of myocoelidium and not reaching valve wall except at valve floor; muscle marks visible within myocoelidium; apical parts of high shells filled by vesicular tissue.

Measurements

part	N	mean	minimum	maximum	median	s.d.
shell height	2	30.3	14.0	65.5	39.8	36.4

Composition:

low Mg calcitep

Environment:

marinesubo

Locomotion:

stationarysubo

Attached:

yessubo

Life habit:

low-level epifaunalsubo

Diet:

suspension feedersubo

Vision:

blindc

Created:

2018-11-10 17:08:09

Modified:

2018-11-10 17:08:09

Source: subo = suborder, c = class, p = phylum

References: Williams et al. 2000, Aberhan et al. 2004

Age range: Roadian or 274.40000 to 266.90000 Ma

Collections (19 total)

Time interval	Ma	Country or state	Original ID and collection number
Roadian	274.4 - 266.9	Greece (Khios)	S. phlebodes (55765)
Roadian	274.4 - 266.9	Greece	Richthofenia lawrenciana (75028) S. phlebodes (75536 75539 75540 75541 81162 81166 109356 109357 109358 109359 109360 109362 109365 109366 109372 112980 112981)