PBDB Taxon

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

Isorthis (Isorthis)

Rhynchonellata - Orthida - Dalmanellidae

Taxonomy

Isorthis (Isorthis) was named by Kozlowski (1929).

It was assigned to Isorthis by Kozlowski (1929).

Subtaxa

Isorthis (Isorthis) szajnochai

Species lacking formal opinion data

Isorthis allani, Isorthis allani, Isorthis angaciensis, Isorthis biradiata, Isorthis bistria, Isorthis canalicula, Isorthis cliens, Isorthis cliens, Isorthis clivosa, Isorthis crassiformis, Isorthis cuyanum, Isorthis elivosa, Isorthis fornicatimcurvata, Isorthis impressiva, Isorthis inostranzewi, Isorthis jini, Isorthis manon, Isorthis markovskii, Isorthis megamyaria, Isorthis miloni, Isorthis minuta, Isorthis mongolensis, Isorthis neocrassa, Isorthis numiformis, Isorthis nummiformis, Isorthis orbicularis, Isorthis orbicularris, Isorthis ovalis, Isorthis palliata, Isorthis perelegans, Isorthis pinguissima, Isorthis proinqua, Isorthis propinqua, Isorthis qianbeiensis, Isorthis rotunda, Isorthis rotunda, Isorthis schurabica, Isorthis snajdri, Isorthis spedeni, Isorthis spedeni, Isorthis sulcata, Isorthis svatojanica, Isorthis tannuolis, Isorthis tetragona, Isorthis tomyris, Isorthis tomyris, Isorthis tomyris, Isorthis usari, Isorthis walmsleyi

Synonymy list

Year	Name and author
1929	Isorthis (Isorthis) Kozlowski p. 24

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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	Orthida	Schuchert and Cooper 1932
suborder	Dalmanellidina	Moore 1952
superfamily	Dalmanelloidea	Schuchert 1913
family	Dalmanellidae	Schuchert 1913
subfamily	Isorthinae	Schuchert and Cooper 1931
genus	Isorthis	Kozlowski 1929
subgenus	Isorthis	Kozlowski 1929

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.

Subg. †Isorthis (Isorthis) Kozlowski 1929

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†Isorthis (Isorthis) szajnochai Kozlowski 1929

Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

low Mg calcitep

Entire body:

yesg

Adult length:

10 to < 100g

Adult width:

10 to < 100g

Adult height:

10 to < 100g

Thickness:

intermediateg

Folds:

noneg

Ribbing:

minorg

Spines:

noneg

Internal reinforcement:

minorg

Environment:

marineuc

Locomotion:

stationaryf

Attached:

yesf

Life habit:

epifaunalf

Diet:

suspension feederf

Vision:

blindc

Created:

2009-03-06 06:53:48

Modified:

2009-03-06 08:53:48

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

References: Hendy et al. 2009, Williams et al. 2000, Aberhan et al. 2004, Nesnidal et al. 2013

Age range: base of the Wenlock to the top of the Lochkovian or 432.90000 to 413.02000 Ma

Collections (7 total)

Time interval	Ma	Country or state	Original ID and collection number
Wenlock - Ludlow	432.9 - 422.7	Mongolia	Isorthis rotunda (45988)
Lochkovian	419.62 - 413.02	Ukraine	Isorthis szajnochai (13876 14152 23444)
Lochkovian	419.62 - 413.02	Kazakhstan	Isorthis szajnochai (24743)
Lochkovian	419.62 - 413.02	Czechia	Isorthis svatojanica (14119)
Lochkovian	419.62 - 413.02	Czechia (Prague)	Isorthis svatojanica (12072)