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

Sivorthis calatravaensis

Rhynchonellata - Orthida - Orthidae

Taxonomy
Sivorthis calatravaensis was named by Reyes-Abril et al. (2010). Its type specimen is MGM−6199−O, a valve (internal and external moulds of ventral valve), and it is a 3D body fossil. Its type locality is NE-IIIA. 5600 m SE of Navas de Estena, which is in a Dobrotivian marine slate in the Navas de Estena Formation of Spain.

Synonymy list
YearName and author
2010Sivorthis calatravaensis Reyes-Abril et al. pp. 300 - 302 figs. 9, 10A–D

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
—Lophophorata
—PanbrachiopodaCarlson and Cohen 2020
phylumBrachiopodaCuvier 1805
RankNameAuthor
subphylumRhynchonelliformeaWilliams et al. 1996
classRhynchonellataWilliams et al. 1996
orderOrthidaSchuchert and Cooper 1932
suborderOrthidinaSchuchert and Cooper 1932
superfamilyOrthoideaWoodward 1852
familyOrthidaeWoodward 1852
subfamilyOrthinaeWoodward 1852
genusSivorthis
speciescalatravaensis

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.

†Sivorthis calatravaensis Reyes-Abril et al. 2010
show all | hide all
Diagnosis
ReferenceDiagnosis
J. Reyes-Abril et al. 2010Sivorthis species of variably auriculate outline, acute cardinal angles, 60–85% as long as wide and sulcate anterior commissure; radial ornamentation irregularly costellate, with 15–25% of costae ramified and 23–36 ribs in valve margin, capillate and filate; subtriangular ventral muscle field, 20–40% as long as valve; quadripartite dorsal muscle field, with anterior pair larger than posterior, and median ridge widest at its anterior end by mid valve length.
Measurements
No measurements are available
Composition: low Mg calcitep
Environment: marineuc
Locomotion: stationaryo
Attached: yeso
Life habit: epifaunalo
Diet: suspension feedero
Vision: blindc
Created: 2004-02-28 14:11:06
Modified: 2009-04-11 14:18:14
Source: o = order, c = class, p = phylum, uc = unranked clade
References: Nesnidal et al. 2013, Aberhan et al. 2004

Age range: Dobrotivian or 461.00000 to 459.70000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Dobrotivian461.0 - 459.7Spain (Ciudad Real) Sivorthis calatravaensis (type locality: 166764)