pelmatozoann.adj.

Brit.

/ˌpɛlmətəˈzəʊən/, U.S.

/ˈˌpɛlmədəˈzoʊən/

Forms: also with capital initial.

Origin: A borrowing from Latin, combined with an English element. Etymons: Latin Pelmatozoa , -an suffix.

Etymology: < scientific Latin Pelmatozoa, subphylum name (R. Leuckart Über die Morphol. u. die Verwandtschaftsverhältnisse der wirbellosen Thiere (1848) 42; < ancient Greek πελματο- , πέλμα sole of the foot (see pelmatogram n.) + ζῷον animal: see zoon n.) + -an suffix: compare -zoan comb. form.

Zoology and Palaeontology.

A. n.

An echinoderm which is fixed to the substrate by a stalk; a member of the subphylum Pelmatozoa comprising such forms, including crinoids, blastoids, and cystoids.

ΘΚΠ

the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Echinodermata > [noun] > division Pelmatozoa > member of

pelmatozoan1888

1888 Amer. Naturalist 22 524 This is followed by an ‘acyclical’ holosymmetrical form, exemplified by Macrocystella, the oldest Cambrian Pelmatozoan.

1900 E. R. Lankester Treat. Zool. iii. 19 Assumed..to be homologous with the original three radii of the primitive Pelmatozoan.

1952 W. J. Miller Introd. Hist. Geol. (ed. 6) 532 Pelmatozoans are characterized by having segmented stems by which they are attached to the sea-floor or some object during at least part of their existence.

1992 Trans. Royal Soc. Edinb. Earth Sci. 83 669/1 The effect of the late Ordovician extinction event on crinoids (and other pelmatozoans) is poorly understood.

B. adj.

Of, relating to, or characteristic of those echinoderms which are fixed to the substrate by a stalk; of or relating to the subphylum Pelmatozoa.

ΚΠ

1890 Cent. Dict. Pelmatozoan, stalked, as an echinoderm; pertaining to the Pelmatozoa, or having their characters.

1904 Proc. Royal Soc. 74 45 As to the Pelmatozoan ancestor of the Eleutherozoa it is better to leave that in the realms of controversy.

1971 Nature 10 Sept. 117/2 Only indeterminate pelmatozoan remains and doubtful radiolaria had previously been recorded from the kakahu rocks.

1991 R. Goldring Fossils in Field vi. 101 Look out for pelmatozoan holdfasts or ‘rooting’ structures.

This entry has been updated (OED Third Edition, September 2005; most recently modified version published online March 2022).

单词	pelmatozoan
释义	pelmatozoann.adj. Brit. /ˌpɛlmətəˈzəʊən/, U.S. /ˈˌpɛlmədəˈzoʊən/ Forms: also with capital initial. Origin: A borrowing from Latin, combined with an English element. Etymons: Latin Pelmatozoa , -an suffix. Etymology: < scientific Latin Pelmatozoa, subphylum name (R. Leuckart Über die Morphol. u. die Verwandtschaftsverhältnisse der wirbellosen Thiere (1848) 42; < ancient Greek πελματο- , πέλμα sole of the foot (see pelmatogram n.) + ζῷον animal: see zoon n.) + -an suffix: compare -zoan comb. form. Zoology and Palaeontology. A. n. An echinoderm which is fixed to the substrate by a stalk; a member of the subphylum Pelmatozoa comprising such forms, including crinoids, blastoids, and cystoids. ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Echinodermata > [noun] > division Pelmatozoa > member of pelmatozoan1888 1888 Amer. Naturalist 22 524 This is followed by an ‘acyclical’ holosymmetrical form, exemplified by Macrocystella, the oldest Cambrian Pelmatozoan. 1900 E. R. Lankester Treat. Zool. iii. 19 Assumed..to be homologous with the original three radii of the primitive Pelmatozoan. 1952 W. J. Miller Introd. Hist. Geol. (ed. 6) 532 Pelmatozoans are characterized by having segmented stems by which they are attached to the sea-floor or some object during at least part of their existence. 1992 Trans. Royal Soc. Edinb. Earth Sci. 83 669/1 The effect of the late Ordovician extinction event on crinoids (and other pelmatozoans) is poorly understood. B. adj. Of, relating to, or characteristic of those echinoderms which are fixed to the substrate by a stalk; of or relating to the subphylum Pelmatozoa. ΚΠ 1890 Cent. Dict. Pelmatozoan, stalked, as an echinoderm; pertaining to the Pelmatozoa, or having their characters. 1904 Proc. Royal Soc. 74 45 As to the Pelmatozoan ancestor of the Eleutherozoa it is better to leave that in the realms of controversy. 1971 Nature 10 Sept. 117/2 Only indeterminate pelmatozoan remains and doubtful radiolaria had previously been recorded from the kakahu rocks. 1991 R. Goldring Fossils in Field vi. 101 Look out for pelmatozoan holdfasts or ‘rooting’ structures. This entry has been updated (OED Third Edition, September 2005; most recently modified version published online March 2022). < n.adj.1888
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