orthoceratiten.

Brit.

/ˌɔːθə(ʊ)ˈsɛrətʌɪt/, U.S.

/ˌɔrθoʊˈsɛrəˌtaɪt/

Forms: 1700s– orthoceratite, 1700s– orthoceratites Brit.

/ɔːθəʊˈsɛrətʌɪtiːz/, U.S.

/ˌɔrθəˈsɛrəˌtaɪdiz/. Also with capital initial.

Origin: A borrowing from Latin. Etymon: Latin Orthoceratites.

Etymology: < post-classical Latin Orthoceratites (J. P. Breynius Dissertatio Physica et Polythalamius, Nova Testacorum Classe (1732) vi. 29) < ancient Greek ὀρθο- ortho- comb. form + κερατ- , κέρας horn (see kerato- comb. form) + -ίτης -ite suffix¹. Compare later ceratite n.

Palaeontology.

A fossil shell of a nautiloid cephalod mollusc of the Palaeozoic or early Mesozoic eras, having a long, straight (or nearly straight) chambered shell; spec. a member of the former genus Orthoceratites or family Orthoceratidae; cf. orthoceras n. Also in Latin form Orthoceratites (in later use only as the name of a genus).

ΘΚΠ

the world > life > biology > organism > fossil > [noun] > particular parts of

ostracite1601

horse-head1708

nucleus1734

orthoceras1734

orthoceratite1734

alveolus1747

volutite1802

strombite1811

helicite1828

turbinite1828

phragmocone1843

pro-ostracum1864

orthoceratoid1885

nema1901

the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > class Cephalopoda > [noun] > order Tetrabranchiata > family Orthoceratidae > genus Orthoceras > member of > fossil shell of

orthoceratite1734

orthoceratite1786

1734 Philos. Trans. 1733–4 (Royal Soc.) 38 192 The sixth Chapter is of the Orthoceras and Orthoceratites, or stony Concretion in its Cavity. Of these last Stones he produces nine different Species, which he distinguishes chiefly by the Pipe, or Canal, which runs through them.

1755 Philos. Trans. 1754 (Royal Soc.) 48 804 The orthoceratites is a strait concamerated shell, ending in a point.

1786 Philos. Trans. (Royal Soc.) 76 445 The large turtles, the numberless echinites, madrepores, shells, alcyoniums, belemnites, orthoceratites, and so on, are all sea animals.

1846 F. M'Coy Synopsis Silurian Fossils Ireland 10 Nothing more than a zoophyte enveloping common Orthoceratites.

1865 Philos. Trans. (Royal Soc.) 155 582 For a distance of about 2 feet 6 inches upwards [the stratum]..was one entire mass of fossil shells of the genera Goniatites, Orthoceratites, Aviculopecten, and Posidonia.

1871 G. Hartwig Subterranean World ii. 18 In the more ancient Palæozoic seas flourished the Orthoceratites, or straight-chambered shells, resembling a nautilus uncoiled.

1890 Harper's Mag. Aug. 428/2 One class [sc. of mollusks], known as orthoceratites, whose remains are very abundant in our limestones, were ten and even twenty feet in length.

1914 Science 13 Mar. 405/1 The alternating red and greenish-yellow shales and sandstones..are here very fossiliferous... Here it carries Orthoceratites, Gasteropods, Brachiopods, etc., in great abundance.

1954 Sci. Monthly July 49/2 At high water mark at the foot of the cliff we found numerous Orthoceratites [cephalopod], Murchisonia [snails], and trilobites.

1970 Science 18 Dec. 1301/2 Many of the goniatites and orthoceratites of this locality show details, not previously observed, that are somewhat difficult to explain.

Compounds

General attributive, as orthoceratite limestone, orthoceratite schist, etc.

ΚΠ

1837 C. Lyell Let. 29 Aug. in Life, Lett. & Jrnls. (1881) II. xxi. 20 The blocks of red syenitic granite, which..I saw..sending its veins into the trilobite and orthoceratite schist, have been carried with small gravel of the same.

1853 T. Ross tr. A. von Humboldt Personal Narr. Trav. Amer. III. xxxii. 376 The orthoceratite limestone of the Alleghanies.

1996 Earth & Planetary Sci. Lett. 145 31 Thirteen fossil meteorites have been found in lower Ordovician Orthoceratite Limestone at Kinnekulle, Sweden.

Derivatives

† orthoceratitic adj. Obsolete

ΚΠ

1872 A. Hyatt in Amer. Naturalist (1873) 7 105 The simple Nautiloid-like Goniatites of the Silurian may exhibit an Orthoceratitic or straight form, or be closely coiled in the young of different varieties of two distinct species.

1887 Amer. Naturalist 21 65 A straight orthoceratitic shell, Mimoceras.

This entry has been updated (OED Third Edition, September 2004; most recently modified version published online March 2022).

单词	orthoceratite
释义	orthoceratiten. Brit. /ˌɔːθə(ʊ)ˈsɛrətʌɪt/, U.S. /ˌɔrθoʊˈsɛrəˌtaɪt/ Forms: 1700s– orthoceratite, 1700s– orthoceratites Brit. /ɔːθəʊˈsɛrətʌɪtiːz/, U.S. /ˌɔrθəˈsɛrəˌtaɪdiz/. Also with capital initial. Origin: A borrowing from Latin. Etymon: Latin Orthoceratites. Etymology: < post-classical Latin Orthoceratites (J. P. Breynius Dissertatio Physica et Polythalamius, Nova Testacorum Classe (1732) vi. 29) < ancient Greek ὀρθο- ortho- comb. form + κερατ- , κέρας horn (see kerato- comb. form) + -ίτης -ite suffix¹. Compare later ceratite n. Palaeontology. A fossil shell of a nautiloid cephalod mollusc of the Palaeozoic or early Mesozoic eras, having a long, straight (or nearly straight) chambered shell; spec. a member of the former genus Orthoceratites or family Orthoceratidae; cf. orthoceras n. Also in Latin form Orthoceratites (in later use only as the name of a genus). ΘΚΠ the world > life > biology > organism > fossil > [noun] > particular parts of ostracite1601 horse-head1708 nucleus1734 orthoceras1734 orthoceratite1734 alveolus1747 volutite1802 strombite1811 helicite1828 turbinite1828 phragmocone1843 pro-ostracum1864 orthoceratoid1885 nema1901 the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > class Cephalopoda > [noun] > order Tetrabranchiata > family Orthoceratidae > genus Orthoceras > member of > fossil shell of orthoceratite1734 the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > class Cephalopoda > [noun] > order Tetrabranchiata > family Orthoceratidae > genus Orthoceras > member of orthoceratite1786 1734 Philos. Trans. 1733–4 (Royal Soc.) 38 192 The sixth Chapter is of the Orthoceras and Orthoceratites, or stony Concretion in its Cavity. Of these last Stones he produces nine different Species, which he distinguishes chiefly by the Pipe, or Canal, which runs through them. 1755 Philos. Trans. 1754 (Royal Soc.) 48 804 The orthoceratites is a strait concamerated shell, ending in a point. 1786 Philos. Trans. (Royal Soc.) 76 445 The large turtles, the numberless echinites, madrepores, shells, alcyoniums, belemnites, orthoceratites, and so on, are all sea animals. 1846 F. M'Coy Synopsis Silurian Fossils Ireland 10 Nothing more than a zoophyte enveloping common Orthoceratites. 1865 Philos. Trans. (Royal Soc.) 155 582 For a distance of about 2 feet 6 inches upwards [the stratum]..was one entire mass of fossil shells of the genera Goniatites, Orthoceratites, Aviculopecten, and Posidonia. 1871 G. Hartwig Subterranean World ii. 18 In the more ancient Palæozoic seas flourished the Orthoceratites, or straight-chambered shells, resembling a nautilus uncoiled. 1890 Harper's Mag. Aug. 428/2 One class [sc. of mollusks], known as orthoceratites, whose remains are very abundant in our limestones, were ten and even twenty feet in length. 1914 Science 13 Mar. 405/1 The alternating red and greenish-yellow shales and sandstones..are here very fossiliferous... Here it carries Orthoceratites, Gasteropods, Brachiopods, etc., in great abundance. 1954 Sci. Monthly July 49/2 At high water mark at the foot of the cliff we found numerous Orthoceratites [cephalopod], Murchisonia [snails], and trilobites. 1970 Science 18 Dec. 1301/2 Many of the goniatites and orthoceratites of this locality show details, not previously observed, that are somewhat difficult to explain. Compounds General attributive, as orthoceratite limestone, orthoceratite schist, etc. ΚΠ 1837 C. Lyell Let. 29 Aug. in Life, Lett. & Jrnls. (1881) II. xxi. 20 The blocks of red syenitic granite, which..I saw..sending its veins into the trilobite and orthoceratite schist, have been carried with small gravel of the same. 1853 T. Ross tr. A. von Humboldt Personal Narr. Trav. Amer. III. xxxii. 376 The orthoceratite limestone of the Alleghanies. 1996 Earth & Planetary Sci. Lett. 145 31 Thirteen fossil meteorites have been found in lower Ordovician Orthoceratite Limestone at Kinnekulle, Sweden. Derivatives † orthoceratitic adj. Obsolete ΚΠ 1872 A. Hyatt in Amer. Naturalist (1873) 7 105 The simple Nautiloid-like Goniatites of the Silurian may exhibit an Orthoceratitic or straight form, or be closely coiled in the young of different varieties of two distinct species. 1887 Amer. Naturalist 21 65 A straight orthoceratitic shell, Mimoceras. This entry has been updated (OED Third Edition, September 2004; most recently modified version published online March 2022). < n.1734
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