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Borealis cristiformis

Rhynchonellata - Pentamerida - Virgianidae

Pentamerus cristiformis was named by Modzalevskaya (1985) [Pentamerus? cristiformis].

It was recombined as Borealis cristiformis by Modzalevskaya (2003).

Synonymy list
YearName and author
1985Pentamerus cristiformis Modzalevskaya p. 64 figs. pl. II, figs 4, 5, pl. III, fig. 1
2003Borealis cristiformis Modzalevskaya pp. 82 - 83 figs. 10 - 11

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EubilateriaAx 1987
phylumBrachiopodaCuvier 1805
subphylumRhynchonelliformeaWilliams et al. 1996
classRhynchonellataWilliams et al. 1996
orderPentameridaSchuchert and Cooper 1931
suborderPentameridinaSchuchert and Cooper 1931
superfamilyPentameroideaMcCoy 1844
familyVirgianidaeBoucot and Amsden 1963
subfamilyVirgianinaeBoucot and Amsden 1963
genusBorealisBoucot et al. 1971
speciescristiformis(Modzalevskaya 1985)

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.

No diagnoses are available
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
Folds: noneg
Ribbing: noneg
Spines: noneg
Internal reinforcement: noneg
Locomotion: stationaryo
Attached: yesp
Life habit: epifaunalo
Diet: suspension feedero
Vision: blindc
Created: 2009-06-04 12:34:05
Modified: 2009-06-04 14:34:05
Source: g = genus, o = order, c = class, p = phylum
References: Aberhan et al. 2004, Hendy 2009

Age range: base of the Rhuddanian to the top of the Aeronian or 443.40000 to 438.50000 Ma

Collections (2 total)

Time interval Ma Country or state Original ID and collection number
Rhuddanian - Aeronian443.4 - 438.5Russian Federation Borealis cristiformis (185955 185956)