1-20 OF 88 RESULTS FOR

avicularium

Results shown limited to content with bounding coordinates.
Save search
Follow your search
Access your saved searches in your account
Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Image
Aspidostoma giganteum (Busk, 1854), autozooids and avicularium (MACN-In No. 32318, Burdwood Bank). Note the large size of A. giganteum zooids compared to those of its epibiont, the cheilostome Hippothoa flagellum. Scale bar = 200 µm.

Aspidostoma giganteum (Busk, 1854 ), autozooids and avicularium (MACN-In ...

Published: 07 March 2018
Figure 1 Aspidostoma giganteum (Busk, 1854 ), autozooids and avicularium (MACN-In No. 32318, Burdwood Bank). Note the large size of A. giganteum zooids compared to those of its epibiont, the cheilostome Hippothoa flagellum . Scale bar = 200 µm.
Image

Measurements of Licornia sp. indet. X = mean; R = observed range; SD = st...

Published: 01 July 2021
3 Opesia width 0.11 0.10–0.11 0.01 4 Avicularium frontal length 0.07 0.07 0 3 Avicularium frontal width 0.04 0.03–0.05 0.01 4 Avicularium lateral length 0.05 0.04–0.05 0.01 2 Avicularium lateral width 0.02 0.02–0.03 0.01 3 Vibracular chamber length 0.17 0.14
Image

Measurements (in μm) of Parafigularia pigafettai n. sp. (MLP 36404). N = ...

Published: 01 May 2021
–149 128 11 Autozooid orifice width 10 151–201 167 15 Avicularium length 10 87–127 110 14 Avicularium width 10 107–162 138 21 Kenozooid length 2 238–497 368 183 Kenozooid width 2 106–199 153 66 Ovicell + avicularium length 2 221–241 231 14 Ovicell
Image

Table 2 —Among-colonies variance components (heritability estimates) for 1...

Published: 01 May 2001
are invariant in those species. LZ, zooid length; WZ, zooid width; LO, orifice length; WO, orifice width; LD, distance between lateral denticles; LAVS, LAVL, length of smaller, larger avicularium; PAVS, PAVL, position of smaller, larger avicularium; O1AVS, O1AVL, lateral-medial orientation of smaller, larger
Image
(1) Aspidostoma roveretoi n. sp. holotype (MPEF-PI No. 6511), ovicelled zooids. (2, 3) Melychocella flammula (Canu, 1908) (MLP No. 35704); (2) general aspect showing several autozooids and avicularia; (3) autozooids and vicarious avicularium. (4, 5) Melychocella biperforata n. sp. holotype (MLP No. 35705, Monte León Formation); (4) general aspect showing autozooids and avicularium; (5) detail of opesia-orifice. (6) MPEF No. 6350, Chenque Formation, autozooids and avicularium. (1) Scale bar = 500 μm; (2–4, 6) scale bar = 200 μm; (5) scale bar = 100 μm.

( 1 ) Aspidostoma roveretoi n. sp. holotype (MPEF-PI No. 6511), ovicelled...

Published: 07 March 2018
Figure 5 ( 1 ) Aspidostoma roveretoi n. sp. holotype (MPEF-PI No. 6511), ovicelled zooids. ( 2, 3 ) Melychocella flammula (Canu, 1908 ) (MLP No. 35704); ( 2 ) general aspect showing several autozooids and avicularia; ( 3 ) autozooids and vicarious avicularium. ( 4, 5 ) Melychocella
Image
Cupuladria colonensis n. sp. 1–4, holotype, USNM542575, Recent, Colon, Panama: 1, colony center showing autozooids and vicarious avicularia; 2, view of the autozooid and autozooid vibraculum; 3, view of vicarious avicularium and vicarious avicularium vibraculum; 4, view of the basal sectors and pores. Scale bar=100 μm.

Cupuladria colonensis n. sp. 1 – 4 , holotype, USNM542575, Recent, Colon...

Published: 01 September 2014
Figure 25 Cupuladria colonensis n. sp. 1 – 4 , holotype, USNM542575, Recent, Colon, Panama: 1 , colony center showing autozooids and vicarious avicularia; 2 , view of the autozooid and autozooid vibraculum; 3 , view of vicarious avicularium and vicarious avicularium vibraculum; 4
Image
Cupuladria exfragminis. 1–4, UF44633, Chipola Formation, early Miocene, Florida, U.S.A.: 1, close-up of the colony showing autozooids and vicarious avicularia; 2, view of the autozooid and autozooid vibraculum; 3, closer view of vicarious avicularium and vicarious avicularium vibraculum; 4, view of the basal sectors and pores. Scale bar=100 μm.

Cupuladria exfragminis. 1 – 4 , UF44633, Chipola Formation, early Miocene, ...

Published: 01 September 2014
Figure 15 Cupuladria exfragminis. 1 – 4 , UF44633, Chipola Formation, early Miocene, Florida, U.S.A.: 1 , close-up of the colony showing autozooids and vicarious avicularia; 2 , view of the autozooid and autozooid vibraculum; 3 , closer view of vicarious avicularium and vicarious
Image

Measurements of Nellia cf. N. tenella . X = mean; R = observed range; SD...

Published: 01 July 2021
Table 6. Measurements of Nellia cf. N. tenella . X = mean; R = observed range; SD = standard deviation; N = number of measurements. Character X R SD N Autozooid width 0.14 0.12–0.16 0.02 4 Opesia width 0.07 0.06–0.08 0.01 5 Avicularium length 0.05 0.04
Journal Article

MORPHOLOGICAL DIFFERENTIATION OF AVICULARIA AND THE PROLIFERATION OF SPECIES IN MID-CRETACEOUS WILBERTOPORA (BRYOZOA: CHEILOSTOMATA)

ALAN H. CHEETHAM, JOANN SANNER, PAUL D. TAYLOR, ANDREW N. OSTROVSKY
Published: 01 January 2006
Journal of Paleontology (2006) 80 (1): 49–71.
DOI: https://doi.org/10.1666/0022-3360(2006)080[0049:MDOAAT]2.0.CO;2
...ALAN H. CHEETHAM; JOANN SANNER; PAUL D. TAYLOR; ANDREW N. OSTROVSKY Abstract Discovery of avicularium-like polymorphs in Wilbertopora mutabilis Cheetham, 1954 has provided not only a new opportunity for revising the genus Wilbertopora Cheetham, 1954 , but also a more detailed basis for documenting...
FIGURES | View All (14)
View PDF for article title, MORPHOLOGICAL DIFFERENTIATION OF AVICULARIA AND THE PROLIFERATION OF SPECIES IN MID-CRETACEOUS WILBERTOPORA (BRYOZOA: CHEILOSTOMATA)
Purchase
Add to Citation Manager for MORPHOLOGICAL DIFFERENTIATION OF AVICULARIA AND THE PROLIFERATION OF SPECIES IN MID-CRETACEOUS WILBERTOPORA (BRYOZOA: CHEILOSTOMATA)
Image
Cupuladria exfragminis. 1–4, hypotype, USNM542595, PPP1306, Gatun Formation, late Miocene, Colon, Panama: 1, colony center showing autozooids and vicarious avicularia; 2, view of the autozooid and autozooid vibraculum; 3, closer view of vicarious avicularium and vicarious avicularium vibraculum; 4, view of the basal sectors and pores. Scale bar=100 μm.

Cupuladria exfragminis. 1 – 4 , hypotype, USNM542595, PPP1306, Gatun Format...

Published: 01 September 2014
Figure 17 Cupuladria exfragminis. 1 – 4 , hypotype, USNM542595, PPP1306, Gatun Formation, late Miocene, Colon, Panama: 1 , colony center showing autozooids and vicarious avicularia; 2 , view of the autozooid and autozooid vibraculum; 3 , closer view of vicarious avicularium and vicarious
Image
Cupuladria pacificiensis. 1–4, hypotype, USNM542592, PPP334, Cayo Agua Formation, early Pliocene, Bocas del Toro, Panama: 1, colony center showing autozooids and vicarious avicularia; 2, view of the autozooid and autozooid vibraculum; 3, closer view of vicarious avicularium and vicarious avicularium vibraculum; 4, view of the basal sectors and pores. Scale bar=100 μm.

Cupuladria pacificiensis. 1 – 4 , hypotype, USNM542592, PPP334, Cayo Agua F...

Published: 01 September 2014
Figure 13 Cupuladria pacificiensis. 1 – 4 , hypotype, USNM542592, PPP334, Cayo Agua Formation, early Pliocene, Bocas del Toro, Panama: 1 , colony center showing autozooids and vicarious avicularia; 2 , view of the autozooid and autozooid vibraculum; 3 , closer view of vicarious avicularium
Image
Cupuladria exfragminis. 1–4, hypotype, USNM542593, PPP65, Cayo Agua Formation, late Pliocene, Bocas del Toro, Panama: 1, colony center showing autozooids and vicarious avicularia; 2, view of the autozooid and autozooid vibraculum; 3, closer view of vicarious avicularium and vicarious avicularium vibraculum; 4, view of the basal sectors and pores. Scale bar=100 μm.

Cupuladria exfragminis. 1 – 4 , hypotype, USNM542593, PPP65, Cayo Agua Form...

Published: 01 September 2014
Figure 19 Cupuladria exfragminis. 1 – 4 , hypotype, USNM542593, PPP65, Cayo Agua Formation, late Pliocene, Bocas del Toro, Panama: 1 , colony center showing autozooids and vicarious avicularia; 2 , view of the autozooid and autozooid vibraculum; 3 , closer view of vicarious avicularium
Image
Cupuladria pervagata n. sp. 1–4, holotype, USNM542565, BT98–19, Recent, Bocas del Toro, Panama: 1, colony center showing autozooids and vicarious avicularia; 2, view of the autozooid and autozooid vibraculum; 3, closer view of vicarious avicularium and vicarious avicularium vibraculum; 4, view of the basal sectors and pores. Scale scale=100 μm.

Cupuladria pervagata n. sp. 1 – 4 , holotype, USNM542565, BT98–19, Recen...

Published: 01 September 2014
Figure 21 Cupuladria pervagata n. sp. 1 – 4 , holotype, USNM542565, BT98–19, Recent, Bocas del Toro, Panama: 1 , colony center showing autozooids and vicarious avicularia; 2 , view of the autozooid and autozooid vibraculum; 3 , closer view of vicarious avicularium and vicarious
Image
Cupuladria dominicana n. sp. 1–4, holotype, USNM542578, Recent, North East coast Santo Domingo, Dominican Republic: 1, colony center showing autozooids and vicarious avicularia; 2, view of the autozooid and autozooid vibraculum; 3, view of vicarious avicularium and vicarious avicularium vibraculum; 4, view of the basal sectors and pores. Scale bar=100 μm.

Cupuladria dominicana n. sp. 1 – 4 , holotype, USNM542578, Recent, North...

Published: 01 September 2014
Figure 27 Cupuladria dominicana n. sp. 1 – 4 , holotype, USNM542578, Recent, North East coast Santo Domingo, Dominican Republic: 1 , colony center showing autozooids and vicarious avicularia; 2 , view of the autozooid and autozooid vibraculum; 3 , view of vicarious avicularium
Image
Cupuladria planissima n. sp. 1–4, holotype, USNM542581, Bastimentos island, late Pliocene, Bocas del Toro, Panama: 1, colony center showing vicarious avicularia; 2, view of the autozooid and autozooid vibraculum; 3, closer view of vicarious avicularium and vicarious avicularium vibraculum; 4, view of the basal sectors and pores. Scale bar=100 μm.

Cupuladria planissima n. sp. 1 – 4 , holotype, USNM542581, Bastimentos i...

Published: 01 September 2014
Figure 31 Cupuladria planissima n. sp. 1 – 4 , holotype, USNM542581, Bastimentos island, late Pliocene, Bocas del Toro, Panama: 1 , colony center showing vicarious avicularia; 2 , view of the autozooid and autozooid vibraculum; 3 , closer view of vicarious avicularium and vicarious
Image
Cupuladria floridensis n. sp. 1–4, holotype, USNM542571, Recent, New Orleans off coast, Louisiana, U.S.A.: 1, colony center showing its clonal origin, autozooids and vicarious avicularia; 2, view of the autozooid and autozooid vibraculum; 3, closer view of vicarious avicularium and vicarious avicularium vibraculum; 4, view of the basal sectors and pores. Scale bar=100 μm.

Cupuladria floridensis n. sp. 1 – 4 , holotype, USNM542571, Recent, New ...

Published: 01 September 2014
avicularium and vicarious avicularium vibraculum; 4 , view of the basal sectors and pores. Scale bar=100 μm.
Image
Cupuladria veracruxiensis n. sp. 1–4, holotype, USNM542562, PPP2171, Escudo de Veraguas Formation, late Pliocene, Bocas del Toro, Panama: 1, colony center showing vicarious avicularia; 2, view of the autozooid and autozooid vibraculum; 3, closer view vicarious avicularium and vicarious avicularium vibraculum; 4, view of the basal sectors and pores. Scale bar=100 μm.

Cupuladria veracruxiensis n. sp. 1 – 4 , holotype, USNM542562, PPP2171, ...

Published: 01 September 2014
avicularium and vicarious avicularium vibraculum; 4 , view of the basal sectors and pores. Scale bar=100 μm.
Journal Article

Early Miocene coral reef-associated bryozoans from Colombia. Part II: “Ascophora” Cheilostomatida

Paola Flórez, Emanuela Di Martino, Laís V. Ramalho
Published: 01 March 2022
Journal of Paleontology (2022) 96 (2): 274–303.
DOI: https://doi.org/10.1017/jpa.2021.94
... Avicularium length 0.06 0.05–0.06 0.00 4 Avicularium width 0.03 0.02–0.03 0.01 3 Vittae length 0.27 0.2–0.32 0.03 11 Pore vittae diameter — 0.01 — 1 Early Miocene, Arroyo Ekieps, Siamaná Formation, La Guajira, Colombia. Catenicella septentrionalis Waters...
FIGURES | View All (5)
View PDF for article title, Early Miocene coral reef-associated bryozoans from Colombia. Part II: “Ascophora” Cheilostomatida
Add to Citation Manager for Early Miocene coral reef-associated bryozoans from Colombia. Part II: “Ascophora” Cheilostomatida
Journal Article

EVOLUTIONARY SIGNIFICANCE OF SEXUAL AND ASEXUAL MODES OF PROPAGATION IN NEOGENE SPECIES OF THE BRYOZOAN METRARABDOTOS IN TROPICAL AMERICA

ALAN H. CHEETHAM, JEREMY B. C. JACKSON, JOANN SANNER
Published: 01 May 2001
Journal of Paleontology (2001) 75 (3): 564–577.
DOI: https://doi.org/10.1666/0022-3360(2001)075<0564:ESOSAA>2.0.CO;2
... are invariant in those species. LZ, zooid length; WZ, zooid width; LO, orifice length; WO, orifice width; LD, distance between lateral denticles; LAVS, LAVL, length of smaller, larger avicularium; PAVS, PAVL, position of smaller, larger avicularium; O1AVS, O1AVL, lateral-medial orientation of smaller, larger...
FIGURES | View All (6)
View PDF for article title, EVOLUTIONARY SIGNIFICANCE OF SEXUAL AND ASEXUAL MODES OF PROPAGATION IN NEOGENE SPECIES OF THE BRYOZOAN METRARABDOTOS IN TROPICAL AMERICA
Purchase
Add to Citation Manager for EVOLUTIONARY SIGNIFICANCE OF SEXUAL AND ASEXUAL MODES OF PROPAGATION IN NEOGENE SPECIES OF THE BRYOZOAN METRARABDOTOS IN TROPICAL AMERICA
Image

Measurements of Copidozoum sp. indet. X = mean; R = observed range; SD = ...

Published: 01 July 2021
4 Autozooid width 0.34 0.25–0.4 0.08 3 Avicularium length – 0.21 – 1 Avicularium width – 0.08 – 1 Ooecium length 0.05 0.04–0.05 0.01 3 Ooecium width 0.2 0.2 0 3