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Isechinus praecursor

Echinoidea - Camarodonta - Echinidae

Taxonomy
Toxopneustes praecursor was named by Ortmann (1900).

It was recombined as Boletia praecursor by de Loriol (1902); it was recombined as Isechinus praecursor by Lambert (1903), Bernasconi (1959), Chiesa et al. (1995).

Synonymy list
YearName and author
1900Toxopneustes praecursor Ortmann p. 369
1902Boletia praecursor de Loriol p. 118 figs. pl. 1, figs. 22-24
1903Isechinus praecursor Lambert p. 477 figs. fig. 10
1959Isechinus praecursor Bernasconi p. 146 figs. pl. 5, figs. 1-2
1995Isechinus praecursor Chiesa et al. p. 61

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
—Ambulacraria
phylumEchinodermata
subphylumEleutherozoa
—Echinozoa()
RankNameAuthor
classEchinoidea()
subclassEuechinoideaBronn 1860
—Echinacea()
orderCamarodonta
infraorderEchinidea
familyEchinidae
genusIsechinusLambert 1903
speciespraecursor(Ortmann 1900)

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.

†Isechinus praecursor Ortmann 1900
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: high Mg calcitec
Ontogeny: accretion, addition of partsp
Environment: marinep
Locomotion: actively mobilec
Life habit: epifaunalc
Diet: grazerc
Diet 2: deposit feederc
Vision: limitedc
Dispersal: waterp
Dispersal 2: planktonicp
Created: 2004-02-28 12:05:24
Modified: 2010-02-12 04:00:29
Source: c = class, p = phylum
References: Kiessling 2004, Aberhan 1992

Age range: base of the Casamayoran to the top of the Burdigalian or 56.00000 to 15.98000 Ma

Collections (5 total)


Time interval Ma Country or state Original ID and collection number
Casamayoran56.0 - 48.0Argentina (Santa Cruz) Isechinus praecursor (50067)
Late/Upper Eocene - Early/Lower Oligocene37.71 - 27.3Argentina (Santa Cruz) Isechinus praecursor (42491 52859)
Oligocene - Pliocene33.9 - 2.58Argentina (Santa Cruz) Isechinus praecursor (50076)
Burdigalian20.45 - 15.98Argentina Isechinus praecursor (65185)