PBDB Taxon

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Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Ranorthis parvula

Rhynchonellata - Orthida - Ranorthidae

Taxonomy

Orthis parvula was named by Lamansky (1905).

It was recombined as Ranorthis parvula by Rubel (1961).

Synonymy list

Year	Name and author
1961	Ranorthis parvula Rubel

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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	Orthidina	Schuchert and Cooper 1932
superfamily	Plectorthoidea	Schuchert and Le Vene 1929
family	Ranorthidae	Havlicek 1949
genus	Ranorthis	Öpik 1939
species	parvula	(Lamansky 1905)

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.

†Ranorthis parvula Lamansky 1905

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Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

low Mg calcitep

Entire body:

yesg

Adult length:

1.0 to < 10g

Adult width:

1.0 to < 10g

Folds:

noneg

Ribbing:

minorg

Spines:

noneg

Internal reinforcement:

noneg

Environment:

marineuc

Locomotion:

stationaryo

Attached:

yeso

Life habit:

epifaunalo

Diet:

suspension feedero

Vision:

blindc

Created:

2009-06-04 09:14:25

Modified:

2009-06-04 11:14:25

Source: g = genus, o = order, c = class, p = phylum, uc = unranked clade

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

Age range: base of the Billingen to the top of the Volkhov or 475.60000 to 469.10000 Ma

Collections (13 total)

Time interval	Ma	Country or state	Original ID and collection number
Batyrbaian - Early/Lower Ordovician	491.5 - 471.3	Russian Federation (Leningrad region)	Ranorthis parvula (235436)
Latorp	486.85 - 472.1	Estonia (Ida-Viru)	Ranorthis parvula (195589)
Billingen	475.6 - 471.3	Estonia (Harku)	Ranorthis parvula (191507)
Billingen	475.6 - 471.3	Estonia	Ranorthis parvula (165423 168958 191453 191567)
Billingen	475.6 - 471.3	Estonia (Harju)	Ranorthis parvula (191415 191416)
Billingen	475.6 - 471.3	Estonia (Ida-Viru)	Ranorthis parvula (191541)
Billingen	475.6 - 471.3	Russian Federation	Ranorthis parvula (198705)
Billingen	475.6 - 471.3	Estonia (Ida-Virumaa)	Ranorthis parvula (191417)
Volkhov	471.3 - 469.1	Estonia (Harju)	Ranorthis parvula (191486)