. Die fossilen Tintenfische; eine paläozoologische Monographie . Fig. 69. Schemata zur Morpho- logie der Belemnitenrostren. /—10 Seitenansichten (v. rechts), //—16 Querschnitte hinter der Alveole, 17—ig Querschnitte des Alveolarteiles, 20—25 Querschnitte der Spitze. / Gerader Kurzkegel. (B. densVhxW. [v. Coeloteutkis]). ia Bauchiger Kurzkegel (B. Engelt Werner [v. Nannobelus]). 2 Kurzer Walzenkegel (B. breviformis V o 11 z [v / Brackybelus]). 3 Langkegel (B. tripartitus sulcatus Quenst. [v. Salpingoteicthis~\). 4 Stabkegel (B. acuarius gracilis Quenst. [v. SaIpingoteuthis\). 5 Pfahlform (B. pa
. Die fossilen Tintenfische; eine paläozoologische Monographie . Fig. 69. Schemata zur Morpho- logie der Belemnitenrostren. /—10 Seitenansichten (v. rechts), //—16 Querschnitte hinter der Alveole, 17—ig Querschnitte des Alveolarteiles, 20—25 Querschnitte der Spitze. / Gerader Kurzkegel. (B. densVhxW. [v. Coeloteutkis]). ia Bauchiger Kurzkegel (B. Engelt Werner [v. Nannobelus]). 2 Kurzer Walzenkegel (B. breviformis V o 11 z [v / Brackybelus]). 3 Langkegel (B. tripartitus sulcatus Quenst. [v. Salpingoteicthis~\). 4 Stabkegel (B. acuarius gracilis Quenst. [v. SaIpingoteuthis\). 5 Pfahlform (B. paxillosus Schloth. [v. Passaloteuthis]). 6 Stabform (B. porrectus Phill. [v. Cylindroteu tki's]). 7 Stumpfkeulenform (B. clavatus Schloth. [v. Hastites}). 7 a Spitzkeulenform (B. hastatus Blainv. [v. Hibolites]). 8 Fingerform (B. irregularis Schloth. [v. Dactyloteuthis~§. g Bauchige Lankegelform (B. gig. ventricosus Quenst. [v. Megateuthis]). 10 Kurzkeulenform (B. compressus Stahl [v. Plettrobelus\). 11 Kreisrund (B. acutus Miller [v. Nannobelus\). 12 Komprimiert (B. co?tipressus Stahl [v. Pleurobelus]). 13 Kompr. rechteckig (B. exilis d'Orb. [v. Rhabdobelus]). 14 Kompr. zweiteilig (B. bipartitus Blainv. [v. Pseudobehis\). 15 Subquadratisch (B. Zieteni Werner [v. Brachybelus}). 16 Plattbauchig (B. ventroplanus Voltz [v. Gastrobe Ins]). 17 Vertiefte Seitendoppelfurchen (B. nititus Phill. [v. Cylindroteuthis]). 18 Dorsale Alveolarfurche (B. conophorus Opp. [v. ConobelusJ). ig Ventrale Alveolarfurche mit anschließendem Schlitz und dorsalem Kiel der Conolhek (2?. mucronatus Schloth. [v. Belemnitella\\. 20 Rundspitzig [B. acutus, clavatus). 21 Dorsolaterale und ventrale Spitzenfurche (B. tripartitus sulcatus Quenst.) (wie 3). 22 Dazu auch ventrolaterale Spitzen furche (B. quinquesulcatus Blainv. [v. Megateuthis^). 23 Dazu auch dorsale und accessorische Spitzenfurchen ( Werner, ibid.). 24 Spitze komprimiert, mit dorsalem Kiel (Acroteuthis apicicarinata Sto
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Keywords: ., bookcentury1900, bookdecade1920, bookpublisherjenaf, bookyear1922
