A star-shaped fossil, esp. a stem ossicle from certain fossil crinoids (= star stone, n. 1). Now historical.

A fossil common in rocks of the Secondary formation; a straight, smooth, cylindrical object, a few inches long, convexly tapering to a sharp…

a fossil mussel shell.

? a fossil pecten.

A name for the detached wheel-like joints of encrinites: = entrochite, n., entrochus, n.

A stone resembling a shell, a fossil shell.

A fossil ammonite.

A fossil pecten or scallop.

a spirally-twisted fossil.

A fossil shell resembling that of a mussel.

= ammonite, n.2 Now Obsolete or local.

transferred. A kind of fossil. Obsolete.

? Some kind of fossil tooth.

a fossil oyster of the genus Gryphaea (presumably so named in allusion to the use of powdered oyster shell as a remedy for ague).

(See quot. 1708.)

A fossil mussel shell.

Applied by J. Hill to a ‘genus’ of fossils.

A fossil plant; = phytolith, n. 1.

the disc-shaped stem ossicles of fossil crinoids (encrinites).

†(a) fossil belemnites (obsolete); (b) the foxglove, Digitalis purpurea, or its flowers.

(a) a Neolithic flint arrowhead; cf. elf-arrow n. at elf, n.1 compounds 3, elf-shot, n. 2 (now archaic and historical); †(b) a belemnite or similar…

A fossil oyster-shell of the genus Gryphæa. (Cf. crow-stone, n.)

A fossil shell with a spiral shape; an ammonite. Obsolete. rare.

A fossil lamp shell (brachiopod), often a fossil impression of the inside of such a shell.

A fossil or petrifaction of a tube or tubular shell occupied by an animal.

a local name for a belemnite (cf. thunderbolt, n. 3a).

A fossil cellepore.

‘Thunderstone’: applied by some early mineralogists to a meteorite or to meteoric iron; by others to belemnites, and to flint arrow-heads of…

Geology. A fossil shell. Cf. seraphim, n. 4.

a fossil serpula; also, a formation containing these; attributive serpulite-grit.

A stony roundish fossil, consisting (or supposed to consist) of the petrified excrement of an animal.

An organism, or a part of one, which has been partly fossilized.

Palaeontology. A belemnite. Obsolete. rare.

A fossil of triangular form and shelly consistence, found in the Kimmeridge clay; ‘probably the operculum of a cephalopod’ (Lyell).

A fossil shell allied to the buccinum.

A fossil mollusc of the order Hippuritoida (or Rudistes); a rudistid.

(see quots.).

a fossil oyster of the extinct Mesozoic genus Gryphaea (family Gryphaeidae); cf. gryphite, n.

The name given (by Prof. Huxley) to minute round or oval disk-like organic bodies found in deep-sea dredging, and also fossilized in chalk. Now…

†(a) the disc-shaped stem ossicles of fossil crinoids; cf. fairy beads n. (obsolete rare); (b) English regional any of several mallows of the genus…

Any coccolith with a more or less discoid shape, often with a thickened or elevated rim surrounding a central area which may be perforated (cf. cyath…

a hollow cast of the spiral shell of the gastropod Aptyxiella portlandica, as found in Portland stone.

(See quot. 1872.)

A kind of coccolith resembling two cups placed base to base.

A supposed reef-forming fossil of Cambrian or Precambrian age having a laminated, discoid structure and subsequently shown to be the remains of…

A fossil sabella, or some similar worm (Cent. Dict. 1891).

a species known only from fossils; (Palaeontology) a species comprising a group of fossils from different geological formations that make up a…

Something that is homoeomorphous or homoeomorphic. Palaeontology. One of two or more homoeomorphous fossils or fossil species.

= rudist, n.

= macrofossil n. at macro-, comb._form affix 4.

The jaw of an annelid worm, found as a microfossil in some rocks.

a fossil discernible to the naked eye.

Any of a group of microfossils consisting of spherical or elliptical structures bearing spiny projections, originally thought to be distinct…

A microscopic fossil found in a palynological sample, such as a pollen grain or spore, a protist, or a fragment of a larger organism.

Any hollow unicellular organic microfossil which is not otherwise categorized or classified.

a molecule whose presence in ancient rocks is regarded as evidence of the existence or early development of life; (in extended use) a molecule…

Palaeontology. Any member of the order Mitrata of fossil invertebrates of the Palaeozoic era, having a mitre- or leaf-shaped theca formed of calcite…