Find research datasets worth reusing

FIGURE 6 in Deep-sea serpulids (Annelida: Polychaeta) in tetragonal tubes: on a tube convergence path from the Mesozoic to Recent

FIGURE 6. Tube ultrastructures of Spirodiscus groenlandicus comb. nov. A–J: PIN 5485/12, A—longitudinal wall section, B—enlarged outer part with a layer consisting of large cigar-shaped crystals packed in bundles oriented in two directions, Cenlarged middle wall part consisting of small elongated crystals, D—enlarged middle (right) and inner (left) parts of tube wall, the latter consisting of very small consolidated isometric crystals, E—longitudinal wall section near tube mouth, F—tube crosssection, edges grouped by two, G—enlarged edge section, H—enlarged outer wall part, outer layer resembling a pile of isometric crystals, I—details of middle wall part, J—details of inner wall part. Arrows indicate direction of tube growth (where known). Abbreviations: o. s.—outer tube surface.

FIGURE 5 in Deep-sea serpulids (Annelida: Polychaeta) in tetragonal tubes: on a tube convergence path from the Mesozoic to Recent

FIGURE 5. SEM images of Spirodiscus grimaldii AM W.46396. A—lateral view of entire animal, B—close-up view of the thorax, C—collar chaetae, D—thoracic uncini, E—thoracic uncini, F—anterior abdominal chaeta, G—abdominal uncini.

FIGURE 14 in Deep-sea serpulids (Annelida: Polychaeta) in tetragonal tubes: on a tube convergence path from the Mesozoic to Recent

FIGURE 14. Photos and SEM images of Zibrovermilia zibrowii gen. et sp. nov. AM W.46387. A–C: photos, A—tubes, Blateral view of thorax stained with methyl blue, C—radiolar crown with operculum and pinnulated opercular peduncle similar to other radioles, D–K: SEM images, D—tube fragment with denticulate edges, E—collar chaetae, F—thoracic chaetae, G, Habdominal chaetae, I—thoracic uncini, J—posterior abdomen, K—abdominal uncini.

FIGURE 17 in Deep-sea serpulids (Annelida: Polychaeta) in tetragonal tubes: on a tube convergence path from the Mesozoic to Recent

FIGURE 17. Tube ultrastructures of fossil tetragonal serpulids from the Lower Cretaceous. A-D: Tetraserpula sp. 4 PIN 5485/ 21, A—longitudinal wall section, B—enlarged outer wall part showing isometric crystals forming homogenous granular (HG) ultrastructure, C—enlarged middle part consisting of isometric crystals, D—enlarged inner wall part. E-H: Tetraserpula barremica PIN 5485/07, E—longitudinal wall section showing a transition from prismatic crystals in outer wall to isometric in inner wall, F—enlarged outer (unaltered) wall part showing elongated oriented crystals near wall surface and isometric crystals near axial part of parabolic lamellae, G—enlarged axial wall part (slightly recrystallised) consisting mostly of small slightly elongated crystals, H—inner wall part (heavily recrystallised) consisting of small isometric crystals. Arrows indicate direction of tube growth and are placed along axis of parabolic growth lamellae. Abbreviation: o. s.—outer tube surface.

FIGURE 18 in Deep-sea serpulids (Annelida: Polychaeta) in tetragonal tubes: on a tube convergence path from the Mesozoic to Recent

FIGURE 18. Tube ultrastructures of fossil tetragonal serpulids from the Upper Cretaceous. A-D: Tetraditrupa rustica PIN 5485/22, A—longitudinal wall section, B—enlarged outer part with a layer of crystals oriented perpendicular to outer surface, C—enlarged middle wall part consisting of isometric crystals, D ‒ enlarged inner wall part. E-H: Tetraditrupa canteriata PIN 5485/05, E—longitudinal wall section, F—enlarged outer wall part showing elongated oriented crystals and isometric crystals near outer wall, G ‒ enlarged axial wall part made of small isometric crystals, H—enlarged inner wall part made of (?) partly recrystallised elongated oriented crystals. Arrows indicate direction of tube growth, and are placed along axis of parabolic growth lamellae, dashed line marks inner wall margin. Abbreviation: o. s.—outer tube surface.

FIGURE 4 in A range extension of a deep-sea barnacle of the genus Aurivillialepas (Cirripedia, Scalpellomorpha), a Macaronesian and amphitropical refugial genus having Mesozoic affinities

FIGURE 4. Aurivillialepas calycula: right lateral view, specimen from the Museum Oceanographique de Monaco (MOM 335116). White bar=5.0 mm.

FIGURE 2 in A range extension of a deep-sea barnacle of the genus Aurivillialepas (Cirripedia, Scalpellomorpha), a Macaronesian and amphitropical refugial genus having Mesozoic affinities

FIGURE 2. Aurivillialepas calycula: right lateral view, SEM images of A, scutum; B, tergum and carina; C, peduncle and rostrolatus. White bar=2.0 mm.

FIGURE 3 in A range extension of a deep-sea barnacle of the genus Aurivillialepas (Cirripedia, Scalpellomorpha), a Macaronesian and amphitropical refugial genus having Mesozoic affinities

FIGURE 3. Aurivillialepas calycula: complemental male, left lateral and right lateral views respectively (MZUF 602), remarkable for a scillaelepadine male in having all capitular plates except SC (albeit RL appears to be missing on right side). White bar=1.0 mm.

FIGURE 1 in A range extension of a deep-sea barnacle of the genus Aurivillialepas (Cirripedia, Scalpellomorpha), a Macaronesian and amphitropical refugial genus having Mesozoic affinities

FIGURE 1. Aurivillialepas calycula: from the left to right and from above to below: right lateral view of both specimens; left lateral view; carinal view; rostral view. White bar=5.0 mm (MZUF 602).

FIGURE 5. A–B in A range extension of a deep-sea barnacle of the genus Aurivillialepas (Cirripedia, Scalpellomorpha), a Macaronesian and amphitropical refugial genus having Mesozoic affinities

FIGURE 5. A–B, distribution of Aurivillialepas spp. Northern hemisphere, Atlantic Ocean (Macaronesia in part): ■ A. bocquetae, ♦ A. calycula and ▲ A. falcata, and southern hemisphere (off Brazil and south of Madagascar) ★, A. rhabdota and Ο A. arnaudi.

FIGURE 17 in Mollusks from late Mesozoic seep deposits, chiefly in California

FIGURE 17. Tehamatea ovalis (Stanton, 1895) from Late Barremian seep site at Eagle Creek (CAS 73138).

FIGURE 5. A–D in Mollusks from late Mesozoic seep deposits, chiefly in California

FIGURE 5. A–D. Retiskenea? tuberculata Campbell et al., 2008 from Valanginian (Early Cretaceous) seep carbonates at Bear Creek, Colusa County, California, USA. A, C. GZG.INV.84973. B. GZG.INV.84974. D. GZG.INV.84975. E–I. Retiskenea? kieli Campbell et al., 2008 from Tithonian (Late Jurassic) seep carbonates at Paskenta, Tehama County, California, USA; GZG.INV.84976.

FIGURE 8. A–C, E, J in Mollusks from late Mesozoic seep deposits, chiefly in California

FIGURE 8. A–C, E, J. Paskentana humerosa (Stanton, 1895) from Valanginian (Early Cretaceous) seep carbonates at Bear Creek, Colusa County, California, USA. A. GZG.INV.84987. B. GZG.INV.84988. C. GZG.INV.84989. E, J. Juvenile GZG.INV.84990. D, I. Atresius liratus Gabb, 1869 from?Valanginian (Early Cretaceous) seep carbonates at Rocky Creek, Lake County, California, USA; juvenile GZG.INV.84993. F–G. Paskentana hamiltonensis sp. nov. from from Valanginian (Early Cretaceous) seep carbonates at Bear Creek, Colusa County, California, USA. F. Paratype (GZG.INV.84992). G. Holotype (GZG.INV.84991). H. Paskentana globosa Kiel et al., 2008 from Tithonian (Late Jurassic) seep carbonates at Paskenta, Tehama County, California, USA; GZG.INV.84986.

FIGURE 2 in Mollusks from late Mesozoic seep deposits, chiefly in California

FIGURE 2.Geologic ages of the localities of the here reported material; Barb. = Barbados, CFCC = Cold Fork of Cottonwood Creek, Jp. = Japan, NZ = New Zealand.

FIGURE 1 in Mollusks from late Mesozoic seep deposits, chiefly in California

FIGURE 1. Map showing the seep localities in northern California, USA. 1, Eagle Creek; 2, Cold Fork of Cottonwood Creek; 3, Paskenta; 4, Bear Creek; 5, Wilbur Springs; 6, Rocky Creek.

FIGURE 12 in Mollusks from late Mesozoic seep deposits, chiefly in California

FIGURE 12. Leionucula gabbi (Stanton, 1895) from Tithonian seep carbonates of Paskenta. A, B. Specimen showing external sculpture and escutcheon (GZG.INV.84998). C. Internal mold showing pallial line and adductor muscle scars (GZG.INV.84999).

FIGURE 7. A–D in Mollusks from late Mesozoic seep deposits, chiefly in California

FIGURE 7. A–D. Ascheria? sp. from Eocene-Miocene Joes River seep sites in Barbados. A–C. NMB-H 20154, 20155, 20158 from Loc. 10039. D. NMB-H 20162 from Loc. 10070. E-F. Ascheria gigantea (Kiel et al. 2008) from?Early Cretaceous seep carbonates at East Berryessa, Napa County, California, USA. E. Holotype (UCMP 555095). F. Paratype (UCMP 555096), the arrow indicates subsutural constriction. G, J – M. Humptulipsia nobuharai sp. nov. from seep carbonates in Campanian- Maastrichtian (Late Cretaceous) Sada Limestone, Shikoku, Japan. G. UMUT MM 31173 fragmentary specimen displaying the humptulipsid slit (arrow) on the shell base. J. Holotype (UMUT MM31170), the arrow indicates humtulipsid slit. K. Paratype (UMUT MM31230). L. Paratype (UMUT MM31171). M. Paratype (UMUT MM31172). H, I. Humptulipsia raui (Goedert & Kaler, 1996) from seep carbonates in Western Washington State. H. Possibly a juvenile specimen (USNM 531408) of H. raui from late Oligocene Lincoln Creek Formation. I. Adult specimen (UWBM 97854) from middle Eocene Humptulips Formation (see also Kiel 2008).

FIGURE 4. A–B in Mollusks from late Mesozoic seep deposits, chiefly in California

FIGURE 4. A–B. Cataegis? sp. from Valanginian (Early Cretaceous) seep carbonates at Rocky Creek, Colusa County, California, USA; GZG.INV.84972. A. Rubber cast of the juvenile whorls. B. Scaly pattern of the adult whorl base. C. Vetigastropoda/Neomphalina indet.?Valanginian (Early Cretaceous) seep carbonates at Rocky Creek, Lake County, California, USA; GZG.INV.84980. D–J. Lithomphalus enderlini Kiel & Campbell, 2005 from Valanginian (Early Cretaceous) seep carbonates at Bear Creek, Colusa County, California, USA. D–F. Juvenile (GZG.INV.84977) displaying ornamentation of the early ontogenetic stage of the shell. G–H. Adolescent specimen GZG.INV.84978. I–J. Adolescent specimen GZG.INV.84979.

FIGURE 16 in Mollusks from late Mesozoic seep deposits, chiefly in California

FIGURE 16. Oxyeurax trapezoidalis (Stanton, 1895) from Cretaceous seep carbonates in California. A. Left valve showing the anterior adductor muscle scar, from Bear Creek (GZG.INV.85007). B. Dorsal view on a specimen from the Valanginian of Bear Creek showing pedal retractor scars and the sharply delineated escutcheon (GZG.INV.85008). C. Juvenile specimen with more oval shell shape and regular ornament, from Bear Creek (GZG.INV.85009). D. Dorsal view on specimen from Stanton's type series (USNM 23104) showing the outline of the hinge dentition, from the 'Reiff' locality. E-G. Holotype (USNM 23104), from Knoxville.

FIGURE 15 in Mollusks from late Mesozoic seep deposits, chiefly in California

FIGURE 15. Neocrassina californica (Stanton, 1895) from Cretaceous seep carbonates in California. A, B. Specimen showing sharply delineated escutcheon, from the Valanginian of Bear Creek (GZG.INV.85004). C, D. Specimens showing lunule, from Bear Creek (GZG.INV.85005). E. Interior of a left valve, from Bear Creek (GZG.INV.85006). F. Type specimen from CFCC (USNM 23053), note stronger ribbing than on the specimens from Bear Creek.