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Fig. 5 in New Araripesuchus Remains from the Early Late Cretaceous (Cenomanian-Turonian) of Patagonia

Fig. 5. Mandibular symphysis of Araripesuchus buitreraensis MPCAPV 235 in ventral view. See appendix 4 for abbreviations.

Fig. 3 in New Araripesuchus Remains from the Early Late Cretaceous (Cenomanian-Turonian) of Patagonia

Fig. 3. Holotype of Araripesuchus buitreraensis MPCAPV 235 in lateral view. See appendix 4 for abbreviations.

Fig. 1 in New Araripesuchus Remains from the Early Late Cretaceous (Cenomanian-Turonian) of Patagonia

Fig. 1. Holotype of Araripesuchus buitreraensis MPCAPV 235 in dorsal view. See appendix 4 for abbreviations.

Fig. 9 in New Araripesuchus Remains from the Early Late Cretaceous (Cenomanian-Turonian) of Patagonia

Fig. 9. Medial surface of lower jaw of Araripesuchus sp. MPCAPV 236 in posteromedial view. See appendix 4 for abbreviations.

Figs 5, 6 in New genera and species of Maimetshidae (Hymenoptera: Stephanoidea s.l.) from the Turonian of Botswana, with comments on the status of the family

Figs 5, 6. Afrapia variicornis sp. n.: (5) Paratype BP/2/26666-2 & BP/2/28224-2, composite photograph and line drawing; (6) Paratype BP/2/26666-1 & BP/2/28224-1, composite photograph and line drawing. Scale bars = 1.0 mm.

Figs 7, 8 in New genera and species of Maimetshidae (Hymenoptera: Stephanoidea s.l.) from the Turonian of Botswana, with comments on the status of the family

Figs 7, 8. New Maimetshidae: (7) Afromaimetsha robusta gen. et sp. n., holotype BP/2/27111-1, photograph and line drawing; a – areola, ab – area basalis; (8) Maimetshorapia africana gen. et sp. n., holotype BP/2/28222b-11, photograph and line drawing. Scale bars = 1.0 mm.

Figs 3, 4 in New genera and species of Maimetshidae (Hymenoptera: Stephanoidea s.l.) from the Turonian of Botswana, with comments on the status of the family

Figs 3, 4. Afrapia variicornis sp. n.: (3) Paratypes BP/2/26666-3, 2 & 1, photograph; (4) Paratype BP/2/26666- 3 & BP/2/28224-3, composite photograph and line drawing; a – areola. Scale bars = 1.0 mm.

Figs 1, 2. Afrapia gen. et spp. n in New genera and species of Maimetshidae (Hymenoptera: Stephanoidea s.l.) from the Turonian of Botswana, with comments on the status of the family

Figs 1, 2. Afrapia gen. et spp. n.: (1) A. globularis sp. n., holotype BP/2/28003-1 & BP/2/28069-1: (1a) Composite photograph, (1b) Line drawing, with separate wing (not to same scale) to show venational symbols: 1RS, 1RS+M, etc. – sections of respective longitudinal veins; 2r–rs, 3r–m, etc. – crossveins; 3r, 3rm, etc. – cells; pt – pterostigma; mesonotal structures: al – adlateral ("parapsidal") line, mss – medial mesoscutal suture, n – notaulus; (2) A. variicornis sp. n., holotype BP/2/27215, photograph and line drawing. Scale bars = 1.0 mm.

opencc-zeroAug 2020View details →

dryad36/100

Data from: The first skeletal record of the enigmatic Cretaceous sawfish genus Ptychotrygon (Chondrichthyes, Batoidea) from the Turonian of Morocco

A new fossil batoid (ray) Ptychotrygon rostrispatula sp. nov. is described from five exceptionally well-preserved, three-dimensional skeletal remains from the Turonian (Late Cretaceous) of Morocco. These specimens represent the first known skeletal remains for the genus Ptychotrygon and allow an almost complete description of the genus providing a new insight to its phylogenetic relations and validate its taxonomic status as a member of the Sclerorhynchoidei. Mechanical preparation of the fossil remains revealed a relatively large batoid species (estimated total length beyond 1 meter). Overall morphology resembles that of sclerorhynchoids with a robust hypertrophied rostrum that lacks enlarged rostral denticles with enlarged paddle-like pectoral proximal elements (propterygium, mesopterygium and metapterygium). Never seen before details of the branchial skeleton are presented (large second hypobranchial without anterior process which was probably fused to the basibranchial and no evidence of articulation with other branchial element). To assess the phylogenetic relations of these specimens within the sclerorhynchoids a parsimonious analysis using TNT and PAUP software packages was performed. These analyses included Asflapristis cristadentis that along with Ptychotrygon rostrispatula sp. nov. were used as representatives of Ptychotrygonidae and also includes six other genera of sclerorhynchoids with relatively good skeletal remains. Both analyses recovered two monophyletic groups within sclerorhynchoids: the first contains Ischyrhiza, Onchopristis and Schizorhiza and a second that includes Micropristis, Sclerorhynchus, Libanopristis and Ptychotrygonidae.

opencc-zeroJun 2017View details →

FIG. 2 in Systematics, palaeoecology and taphonomy of Turonian oysters from the northern Gabon Coastal Basin

FIG. 2. — Lithostratigraphy of the PK 12 section plotted against occurrence of oysters, gastropods and bivalve.

opencc-by-4.0Feb 2012View details →

Fig. 1 in Ammonoid biodiversity changes across the Cenomanian-Turonian boundary in the Yezo Group, Hokkaido, Japan

Fig. 1. Map of the study areas (Mikasa, Obira, and Oyubari areas in Hokkaido, Japan).

opencc-by-4.0Jun 2011View details →

Fig. 1 in Extremely Rare Turonian Belemnites from the Bohemian Cretaceous Basin and Their Palaeogeographical Importance

Fig. 1. Geographic position of belemnite locality Úpohlavy with GPS coordinates.

Fig. 121. Prionocyclites mite Kennedy, 1988. A–D. Holotype, USNM 420144, from locality 63 in A Revision Of The Turonian Members Of The Ammonite Subfamily Collignoniceratinae From The United States Western Interior And Gulf Coast

Fig. 121. Prionocyclites mite Kennedy, 1988. A–D. Holotype, USNM 420144, from locality 63.

Fig. 118 in A Revision Of The Turonian Members Of The Ammonite Subfamily Collignoniceratinae From The United States Western Interior And Gulf Coast

Fig. 118. Prionocyclus germari (Reuss, 1845). USNM 498490, a robust form from locality 57.

Fig. 117 in A Revision Of The Turonian Members Of The Ammonite Subfamily Collignoniceratinae From The United States Western Interior And Gulf Coast

Fig. 117. Prionocyclus germari (Reuss, 1845). USNM 498456, a robust form from locality 26.

Fig. 116 in A Revision Of The Turonian Members Of The Ammonite Subfamily Collignoniceratinae From The United States Western Interior And Gulf Coast

Fig. 116. Prionocyclus germari (Reuss, 1845). USNM 498489, a robust form from locality 60.

Fig. 94 in A Revision Of The Turonian Members Of The Ammonite Subfamily Collignoniceratinae From The United States Western Interior And Gulf Coast

Fig. 94. Prionocyclus novimexicanus (Marcou, 1858). USNM 498422, a gracile form from locality

Fig. 112 in A Revision Of The Turonian Members Of The Ammonite Subfamily Collignoniceratinae From The United States Western Interior And Gulf Coast

Fig. 112. Prionocyclus germari (Reuss, 1845). USNM 498477, a gracile form from locality 60.

Fig. 97 in A Revision Of The Turonian Members Of The Ammonite Subfamily Collignoniceratinae From The United States Western Interior And Gulf Coast

Fig. 97. Prionocyclus novimexicanus (Mar

Fig. 74 in A Revision Of The Turonian Members Of The Ammonite Subfamily Collignoniceratinae From The United States Western Interior And Gulf Coast

Fig. 74. External suture of Prionocyclus macombi Meek, 1876, from USNM 498854, from locality 36.