(Cribb & J. W. Cribb) T. W. Johnson
Sordariomycetes, Subclass Hypocreomycetidae
Sexual morph: Ascomata 130-260(-514) μm high, 140-285 μm diam., subglobose or ellipsoidal, immersed or becoming exposed, ostiolate, papillate, coriaceous or sub-carbonaceous, dark brown to black, often surrounded by dark brown hyphae, solitary or gregarious. Necks 70-560 μm long, 20-70(-93) μm diam., subconical or cylindrical, centric or eccentric, ostiolar canal indistinctly periphysate. Peridium 9-12.5 μm thick, composed of three or four layers of small, irregular, polygonal, thick-walled, elongated cells, merging more or less abruptly into the large-celled pseudoparenchyma of the venter. Pseudoparenchyma thin-walled, large, polygonal or ellipsoidal, thin-walled cells filling venter of young ascomata. Asci eight spored, clavate, pedunculate, unitunicate, thin-walled, without apical apparatus, deliquescing before ascospore maturity, developing at the base of the ascomata venter on a small-celled ascogenous tissue. Ascospores 20-35 × (6-)8-12 μm, ellipsoidal, 1-septate, not or slightly constricted at the septum, hyaline, appendaged, at each end two subterminal, cylindrical, attenuate, stiff appendages, 20-37 μm long, 1-2 μm diam., pairs of appendages at right angles to one another. Anamorph: undetermined.
Pang KL, Jones EBG, Vrijmoed LLP (2008) Autecology of Antennospora (Fungi: Ascomycota: Sordariomycetidae: Halosphaeriales) and its phylogeny. The Raffles Bull Zool Suppl 19: 1-10.
Sakayaroj J, Pang KL, Jones EBG (2011). Multi-gene phylogeny of the Halosphaeriaceae: its ordinal status, relationships between genera and morphological character evolution. Fungal Divers. 46: 87-109. DOI 10.1007/s3225-010-0072-y.
Schmit JP, Shearer CA. (2003). A checklist of mangrove-associated fungi, their geographical distribution and known host plants. Mycotaxon 85: 423-477.
Image: Antennospora quadricornuta. (a) Section of erumpent, subglobose ascoma. (b) Ascoma neck with ostiolar canal filled with pseudoparenchymatous cells. (c) One-layered peridium, composed of elongated cells. (d) Ellipsoidal ascospore with two subterminal,
cylindrical appendages at each end. Scale bar: a=100 μm; b=20 μm; c, d=10 μm. Photo reproduced with the permission of the National Taiwan Ocean University