Parent taxon: Gymnospermae according to A. M. Blazer 1975
Sister taxa: Condylites, Masculostrobus, Palaeocyparis, Pinopsida, Podocarpopsida, Satyrites incertus, Taxopsida, Voltziopsida, Coniferoovulites, Tanaidia, Trigonomyelon, Arberiella, Scirroma, Aethophyllum, Taxineae, Stephanostoma, Rotundaspermum, Niponophyllum, Tanaidocarpidium, Paradoxospermum, Uesuguipollenites, Sonajorispermum, Bulbospermum, Prototaxoxylon, Cordaitopsida, Otofeistia, Cornucarpus, Bennettitales, Retortistoma, Damudoxylon, Parapalaeoxylon, Prototaxopitys, Cupressoconus, Nummulospermum, Carpodium, Pantiaspermum, Savitrispermum, Cardiocarpum, Taxaliospermum, Collospermum, Belemnopteris, Platycardia, Indoxylon, Sertostrobus, Stereocarpus, Nandorioxylon, Araucariales, Triangulospermum, Polysolenoxylon, Palispermum, Kamthioxylon, Zalesskioxylon, Voltziostrobus, Coniferales, Maheshwariella, Sclerospiroxylon, Megaporoxylon, Palaeocarpus, Entylissa, Shivacarpus, Kryshtofovichiella, Gondwanophyllites, Alatocarpus, Kaokoxylon, Pakuriospermum, Sujfunophyllum, Birsinghpuria, Pyriformispermum, Polyloboxylon, Taxopitys, Nidispermum, Barakaroxylon, Surangephyllum
Subtaxa: Archaeosperma arnoldii
Type: Archaeosperma arnoldii
Distribution:
• Devonian of United States (2: Pennsylvania collections)
Total: 2 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.